1553647970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{280949}}^1$

素因数の和:281042

約数の個数: 32

約数和(自身を含む): 3236544000

約数和(自身を除く): 1682896030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 280949, 561898, 1404745, 1966643, 2809490, 3933286, 9833215, 19666430, 22194971, 44389942, 110974855, 155364797, 221949710, 310729594, 776823985, 1553647970]

約数ペア:

[(1, 1553647970), (2, 776823985), (5, 310729594), (7, 221949710), (10, 155364797), (14, 110974855), (35, 44389942), (70, 22194971), (79, 19666430), (158, 9833215), (395, 3933286), (553, 2809490), (790, 1966643), (1106, 1404745), (2765, 561898), (5530, 280949)]