638359722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:609

約数の個数: 192

約数和(自身を含む): 1886976000

約数和(自身を除く): 1248616278

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 71, 77, 78, 91, 99, 117, 126, 142, 143, 154, 182, 198, 213, 231, 234, 273, 286, 426, 429, 462, 497, 499, 546, 639, 693, 781, 819, 858, 923, 994, 998, 1001, 1278, 1287, 1386, 1491, 1497, 1562, 1638, 1846, 2002, 2343, 2574, 2769, 2982, 2994, 3003, 3493, 4473, 4491, 4686, 5467, 5489, 5538, 6006, 6461, 6487, 6986, 7029, 8307, 8946, 8982, 9009, 10153, 10479, 10934, 10978, 12922, 12974, 14058, 16401, 16467, 16614, 18018, 19383, 19461, 20306, 20958, 30459, 31437, 32802, 32934, 35429, 38423, 38766, 38922, 45409, 49203, 49401, 58149, 58383, 60918, 62874, 70858, 71071, 71357, 76846, 90818, 91377, 98406, 98802, 106287, 115269, 116298, 116766, 136227, 142142, 142714, 182754, 212574, 213213, 214071, 230538, 248003, 272454, 318861, 345807, 389719, 408681, 426426, 428142, 460577, 496006, 499499, 637722, 639639, 642213, 691614, 744009, 779438, 817362, 921154, 998998, 1169157, 1279278, 1284426, 1381731, 1488018, 1498497, 2232027, 2338314, 2728033, 2763462, 2996994, 3224039, 3507471, 4145193, 4464054, 4495491, 5066347, 5456066, 6448078, 7014942, 8184099, 8290386, 8990982, 9672117, 10132694, 15199041, 16368198, 19344234, 24552297, 29016351, 30398082, 35464429, 45597123, 49104594, 58032702, 70928858, 91194246, 106393287, 212786574, 319179861, 638359722]

約数ペア:

[(1, 638359722), (2, 319179861), (3, 212786574), (6, 106393287), (7, 91194246), (9, 70928858), (11, 58032702), (13, 49104594), (14, 45597123), (18, 35464429), (21, 30398082), (22, 29016351), (26, 24552297), (33, 19344234), (39, 16368198), (42, 15199041), (63, 10132694), (66, 9672117), (71, 8990982), (77, 8290386), (78, 8184099), (91, 7014942), (99, 6448078), (117, 5456066), (126, 5066347), (142, 4495491), (143, 4464054), (154, 4145193), (182, 3507471), (198, 3224039), (213, 2996994), (231, 2763462), (234, 2728033), (273, 2338314), (286, 2232027), (426, 1498497), (429, 1488018), (462, 1381731), (497, 1284426), (499, 1279278), (546, 1169157), (639, 998998), (693, 921154), (781, 817362), (819, 779438), (858, 744009), (923, 691614), (994, 642213), (998, 639639), (1001, 637722), (1278, 499499), (1287, 496006), (1386, 460577), (1491, 428142), (1497, 426426), (1562, 408681), (1638, 389719), (1846, 345807), (2002, 318861), (2343, 272454), (2574, 248003), (2769, 230538), (2982, 214071), (2994, 213213), (3003, 212574), (3493, 182754), (4473, 142714), (4491, 142142), (4686, 136227), (5467, 116766), (5489, 116298), (5538, 115269), (6006, 106287), (6461, 98802), (6487, 98406), (6986, 91377), (7029, 90818), (8307, 76846), (8946, 71357), (8982, 71071), (9009, 70858), (10153, 62874), (10479, 60918), (10934, 58383), (10978, 58149), (12922, 49401), (12974, 49203), (14058, 45409), (16401, 38922), (16467, 38766), (16614, 38423), (18018, 35429), (19383, 32934), (19461, 32802), (20306, 31437), (20958, 30459)]