204721968

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 603389952

約数和(自身を除く): 398667984

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 43, 44, 48, 66, 71, 86, 88, 127, 129, 132, 142, 172, 176, 213, 254, 258, 264, 284, 344, 381, 426, 473, 508, 516, 528, 568, 688, 762, 781, 852, 946, 1016, 1032, 1136, 1397, 1419, 1524, 1562, 1704, 1892, 2032, 2064, 2343, 2794, 2838, 3048, 3053, 3124, 3408, 3784, 4191, 4686, 5461, 5588, 5676, 6096, 6106, 6248, 7568, 8382, 9017, 9159, 9372, 10922, 11176, 11352, 12212, 12496, 16383, 16764, 18034, 18318, 18744, 21844, 22352, 22704, 24424, 27051, 32766, 33528, 33583, 36068, 36636, 37488, 43688, 48848, 54102, 60071, 65532, 67056, 67166, 72136, 73272, 87376, 99187, 100749, 108204, 120142, 131064, 134332, 144272, 146544, 180213, 198374, 201498, 216408, 240284, 262128, 268664, 297561, 360426, 387731, 396748, 402996, 432816, 480568, 537328, 595122, 720852, 775462, 793496, 805992, 961136, 1163193, 1190244, 1441704, 1550924, 1586992, 1611984, 2326386, 2380488, 2883408, 3101848, 4265041, 4652772, 4760976, 6203696, 8530082, 9305544, 12795123, 17060164, 18611088, 25590246, 34120328, 51180492, 68240656, 102360984, 204721968]

約数ペア:

[(1, 204721968), (2, 102360984), (3, 68240656), (4, 51180492), (6, 34120328), (8, 25590246), (11, 18611088), (12, 17060164), (16, 12795123), (22, 9305544), (24, 8530082), (33, 6203696), (43, 4760976), (44, 4652772), (48, 4265041), (66, 3101848), (71, 2883408), (86, 2380488), (88, 2326386), (127, 1611984), (129, 1586992), (132, 1550924), (142, 1441704), (172, 1190244), (176, 1163193), (213, 961136), (254, 805992), (258, 793496), (264, 775462), (284, 720852), (344, 595122), (381, 537328), (426, 480568), (473, 432816), (508, 402996), (516, 396748), (528, 387731), (568, 360426), (688, 297561), (762, 268664), (781, 262128), (852, 240284), (946, 216408), (1016, 201498), (1032, 198374), (1136, 180213), (1397, 146544), (1419, 144272), (1524, 134332), (1562, 131064), (1704, 120142), (1892, 108204), (2032, 100749), (2064, 99187), (2343, 87376), (2794, 73272), (2838, 72136), (3048, 67166), (3053, 67056), (3124, 65532), (3408, 60071), (3784, 54102), (4191, 48848), (4686, 43688), (5461, 37488), (5588, 36636), (5676, 36068), (6096, 33583), (6106, 33528), (6248, 32766), (7568, 27051), (8382, 24424), (9017, 22704), (9159, 22352), (9372, 21844), (10922, 18744), (11176, 18318), (11352, 18034), (12212, 16764), (12496, 16383)]