81774108

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 237758976

約数和(自身を除く): 155984868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 71, 78, 92, 107, 117, 138, 142, 156, 207, 213, 214, 234, 276, 284, 299, 321, 414, 426, 428, 468, 598, 639, 642, 828, 852, 897, 923, 963, 1196, 1278, 1284, 1391, 1633, 1794, 1846, 1926, 2461, 2556, 2691, 2769, 2782, 3266, 3588, 3692, 3852, 4173, 4899, 4922, 5382, 5538, 5564, 6532, 7383, 7597, 8307, 8346, 9798, 9844, 10764, 11076, 12519, 14697, 14766, 15194, 16614, 16692, 19596, 21229, 22149, 22791, 25038, 29394, 29532, 30388, 31993, 33228, 42458, 44298, 45582, 50076, 58788, 63687, 63986, 68373, 84916, 88596, 91164, 95979, 98761, 127374, 127972, 136746, 174731, 191061, 191958, 197522, 254748, 273492, 287937, 296283, 349462, 382122, 383916, 395044, 524193, 575874, 592566, 698924, 764244, 888849, 1048386, 1151748, 1185132, 1572579, 1777698, 2096772, 2271503, 3145158, 3555396, 4543006, 6290316, 6814509, 9086012, 13629018, 20443527, 27258036, 40887054, 81774108]

約数ペア:

[(1, 81774108), (2, 40887054), (3, 27258036), (4, 20443527), (6, 13629018), (9, 9086012), (12, 6814509), (13, 6290316), (18, 4543006), (23, 3555396), (26, 3145158), (36, 2271503), (39, 2096772), (46, 1777698), (52, 1572579), (69, 1185132), (71, 1151748), (78, 1048386), (92, 888849), (107, 764244), (117, 698924), (138, 592566), (142, 575874), (156, 524193), (207, 395044), (213, 383916), (214, 382122), (234, 349462), (276, 296283), (284, 287937), (299, 273492), (321, 254748), (414, 197522), (426, 191958), (428, 191061), (468, 174731), (598, 136746), (639, 127972), (642, 127374), (828, 98761), (852, 95979), (897, 91164), (923, 88596), (963, 84916), (1196, 68373), (1278, 63986), (1284, 63687), (1391, 58788), (1633, 50076), (1794, 45582), (1846, 44298), (1926, 42458), (2461, 33228), (2556, 31993), (2691, 30388), (2769, 29532), (2782, 29394), (3266, 25038), (3588, 22791), (3692, 22149), (3852, 21229), (4173, 19596), (4899, 16692), (4922, 16614), (5382, 15194), (5538, 14766), (5564, 14697), (6532, 12519), (7383, 11076), (7597, 10764), (8307, 9844), (8346, 9798)]