642827159

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 719655552

約数和(自身を除く): 76828393

約数列:

[1, 13, 37, 169, 223, 461, 481, 2899, 5993, 6253, 8251, 17057, 37687, 77909, 102803, 107263, 221741, 1336439, 1394419, 2882633, 3803711, 17373707, 49448243, 642827159]

約数ペア:

[(1, 642827159), (13, 49448243), (37, 17373707), (169, 3803711), (223, 2882633), (461, 1394419), (481, 1336439), (2899, 221741), (5993, 107263), (6253, 102803), (8251, 77909), (17057, 37687)]