281253686

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{489989}}^1$

素因数の和:490039

約数の個数: 16

約数和(自身を含む): 493909920

約数和(自身を除く): 212656234

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 489989, 979978, 3429923, 6859846, 20089549, 40179098, 140626843, 281253686]

約数ペア:

[(1, 281253686), (2, 140626843), (7, 40179098), (14, 20089549), (41, 6859846), (82, 3429923), (287, 979978), (574, 489989)]