68491090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{220939}}^1$

素因数の和:220977

約数の個数: 16

約数和(自身を含む): 127261440

約数和(自身を除く): 58770350

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 220939, 441878, 1104695, 2209390, 6849109, 13698218, 34245545, 68491090]

約数ペア:

[(1, 68491090), (2, 34245545), (5, 13698218), (10, 6849109), (31, 2209390), (62, 1104695), (155, 441878), (310, 220939)]