821886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 1820448

約数和(自身を除く): 998562

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 257, 514, 533, 771, 1066, 1542, 1599, 3198, 3341, 6682, 10023, 10537, 20046, 21074, 31611, 63222, 136981, 273962, 410943, 821886]

約数ペア:

[(1, 821886), (2, 410943), (3, 273962), (6, 136981), (13, 63222), (26, 31611), (39, 21074), (41, 20046), (78, 10537), (82, 10023), (123, 6682), (246, 3341), (257, 3198), (514, 1599), (533, 1542), (771, 1066)]