268687551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 398181888

約数和(自身を除く): 129494337

約数列:

[1, 3, 11, 33, 103, 137, 309, 411, 577, 1133, 1507, 1731, 3399, 4521, 6347, 14111, 19041, 42333, 59431, 79049, 155221, 178293, 237147, 465663, 653741, 869539, 1961223, 2608617, 8142047, 24426141, 89562517, 268687551]

約数ペア:

[(1, 268687551), (3, 89562517), (11, 24426141), (33, 8142047), (103, 2608617), (137, 1961223), (309, 869539), (411, 653741), (577, 465663), (1133, 237147), (1507, 178293), (1731, 155221), (3399, 79049), (4521, 59431), (6347, 42333), (14111, 19041)]