318203938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 524935152

約数和(自身を除く): 206731214

約数列:

[1, 2, 13, 26, 61, 122, 313, 626, 641, 793, 1282, 1586, 4069, 8138, 8333, 16666, 19093, 38186, 39101, 78202, 200633, 248209, 401266, 496418, 508313, 1016626, 2608229, 5216458, 12238613, 24477226, 159101969, 318203938]

約数ペア:

[(1, 318203938), (2, 159101969), (13, 24477226), (26, 12238613), (61, 5216458), (122, 2608229), (313, 1016626), (626, 508313), (641, 496418), (793, 401266), (1282, 248209), (1586, 200633), (4069, 78202), (8138, 39101), (8333, 38186), (16666, 19093)]