65720473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 84268800

約数和(自身を除く): 18548327

約数列:

[1, 7, 13, 37, 91, 131, 149, 259, 481, 917, 1043, 1703, 1937, 3367, 4847, 5513, 11921, 13559, 19519, 33929, 38591, 63011, 71669, 136633, 253747, 441077, 501683, 722203, 1776229, 5055421, 9388639, 65720473]

約数ペア:

[(1, 65720473), (7, 9388639), (13, 5055421), (37, 1776229), (91, 722203), (131, 501683), (149, 441077), (259, 253747), (481, 136633), (917, 71669), (1043, 63011), (1703, 38591), (1937, 33929), (3367, 19519), (4847, 13559), (5513, 11921)]