64865390

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 118933920

約数和(自身を除く): 54068530

約数列:

[1, 2, 5, 10, 113, 137, 226, 274, 419, 565, 685, 838, 1130, 1370, 2095, 4190, 15481, 30962, 47347, 57403, 77405, 94694, 114806, 154810, 236735, 287015, 473470, 574030, 6486539, 12973078, 32432695, 64865390]

約数ペア:

[(1, 64865390), (2, 32432695), (5, 12973078), (10, 6486539), (113, 574030), (137, 473470), (226, 287015), (274, 236735), (419, 154810), (565, 114806), (685, 94694), (838, 77405), (1130, 57403), (1370, 47347), (2095, 30962), (4190, 15481)]