65254865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 88763136

約数和(自身を除く): 23508271

約数列:

[1, 5, 13, 37, 43, 65, 185, 215, 481, 559, 631, 1591, 2405, 2795, 3155, 7955, 8203, 20683, 23347, 27133, 41015, 103415, 116735, 135665, 303511, 352729, 1003921, 1517555, 1763645, 5019605, 13050973, 65254865]

約数ペア:

[(1, 65254865), (5, 13050973), (13, 5019605), (37, 1763645), (43, 1517555), (65, 1003921), (185, 352729), (215, 303511), (481, 135665), (559, 116735), (631, 103415), (1591, 41015), (2405, 27133), (2795, 23347), (3155, 20683), (7955, 8203)]