641606768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{32261}}^1$

素因数の和:32393

約数の個数: 40

約数和(自身を含む): 1368166896

約数和(自身を除く): 726560128

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1243, 1808, 2486, 4972, 9944, 19888, 32261, 64522, 129044, 258088, 354871, 516176, 709742, 1419484, 2838968, 3645493, 5677936, 7290986, 14581972, 29163944, 40100423, 58327888, 80200846, 160401692, 320803384, 641606768]

約数ペア:

[(1, 641606768), (2, 320803384), (4, 160401692), (8, 80200846), (11, 58327888), (16, 40100423), (22, 29163944), (44, 14581972), (88, 7290986), (113, 5677936), (176, 3645493), (226, 2838968), (452, 1419484), (904, 709742), (1243, 516176), (1808, 354871), (2486, 258088), (4972, 129044), (9944, 64522), (19888, 32261)]