81304655

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 103919760

約数和(自身を除く): 22615105

約数列:

[1, 5, 23, 59, 115, 295, 521, 529, 1357, 2605, 2645, 6785, 11983, 30739, 31211, 59915, 153695, 156055, 275609, 706997, 1378045, 3534985, 16260931, 81304655]

約数ペア:

[(1, 81304655), (5, 16260931), (23, 3534985), (59, 1378045), (115, 706997), (295, 275609), (521, 156055), (529, 153695), (1357, 59915), (2605, 31211), (2645, 30739), (6785, 11983)]