81475604

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{11593}}^1$

素因数の和:11855

約数の個数: 24

約数和(自身を含む): 163614528

約数和(自身を除く): 82138924

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 3514, 7028, 11593, 23186, 46372, 81151, 162302, 324604, 2909843, 5819686, 11639372, 20368901, 40737802, 81475604]

約数ペア:

[(1, 81475604), (2, 40737802), (4, 20368901), (7, 11639372), (14, 5819686), (28, 2909843), (251, 324604), (502, 162302), (1004, 81151), (1757, 46372), (3514, 23186), (7028, 11593)]