81382235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 109707264

約数和(自身を除く): 28325029

約数列:

[1, 5, 11, 55, 61, 127, 191, 305, 635, 671, 955, 1397, 2101, 3355, 6985, 7747, 10505, 11651, 24257, 38735, 58255, 85217, 121285, 128161, 266827, 426085, 640805, 1334135, 1479677, 7398385, 16276447, 81382235]

約数ペア:

[(1, 81382235), (5, 16276447), (11, 7398385), (55, 1479677), (61, 1334135), (127, 640805), (191, 426085), (305, 266827), (635, 128161), (671, 121285), (955, 85217), (1397, 58255), (2101, 38735), (3355, 24257), (6985, 11651), (7747, 10505)]