67490644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21277}}^1$

素因数の和:21355

約数の個数: 24

約数和(自身を含む): 129285128

約数和(自身を除く): 61794484

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 21277, 42554, 85108, 276601, 553202, 1106404, 1297897, 2595794, 5191588, 16872661, 33745322, 67490644]

約数ペア:

[(1, 67490644), (2, 33745322), (4, 16872661), (13, 5191588), (26, 2595794), (52, 1297897), (61, 1106404), (122, 553202), (244, 276601), (793, 85108), (1586, 42554), (3172, 21277)]