81531424

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5297}}^1$

素因数の和:5357

約数の個数: 48

約数和(自身を含む): 177567768

約数和(自身を除く): 96036344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1924, 3848, 5297, 7696, 10594, 15392, 21188, 42376, 68861, 84752, 137722, 169504, 195989, 275444, 391978, 550888, 783956, 1101776, 1567912, 2203552, 2547857, 3135824, 5095714, 6271648, 10191428, 20382856, 40765712, 81531424]

約数ペア:

[(1, 81531424), (2, 40765712), (4, 20382856), (8, 10191428), (13, 6271648), (16, 5095714), (26, 3135824), (32, 2547857), (37, 2203552), (52, 1567912), (74, 1101776), (104, 783956), (148, 550888), (208, 391978), (296, 275444), (416, 195989), (481, 169504), (592, 137722), (962, 84752), (1184, 68861), (1924, 42376), (3848, 21188), (5297, 15392), (7696, 10594)]