81372064

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1481}}^1$

素因数の和:1609

約数の個数: 48

約数和(自身を含む): 171419976

約数和(自身を除く): 90047912

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 101, 136, 202, 272, 404, 544, 808, 1481, 1616, 1717, 2962, 3232, 3434, 5924, 6868, 11848, 13736, 23696, 25177, 27472, 47392, 50354, 54944, 100708, 149581, 201416, 299162, 402832, 598324, 805664, 1196648, 2393296, 2542877, 4786592, 5085754, 10171508, 20343016, 40686032, 81372064]

約数ペア:

[(1, 81372064), (2, 40686032), (4, 20343016), (8, 10171508), (16, 5085754), (17, 4786592), (32, 2542877), (34, 2393296), (68, 1196648), (101, 805664), (136, 598324), (202, 402832), (272, 299162), (404, 201416), (544, 149581), (808, 100708), (1481, 54944), (1616, 50354), (1717, 47392), (2962, 27472), (3232, 25177), (3434, 23696), (5924, 13736), (6868, 11848)]