680415838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{179909}}^1$

素因数の和:180003

約数の個数: 16

約数和(自身を含む): 1070824320

約数和(自身を除く): 390408482

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 179909, 359818, 5577179, 10974449, 11154358, 21948898, 340207919, 680415838]

約数ペア:

[(1, 680415838), (2, 340207919), (31, 21948898), (61, 11154358), (62, 10974449), (122, 5577179), (1891, 359818), (3782, 179909)]