157085990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{506729}}^1$

素因数の和:506767

約数の個数: 16

約数和(自身を含む): 291876480

約数和(自身を除く): 134790490

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 506729, 1013458, 2533645, 5067290, 15708599, 31417198, 78542995, 157085990]

約数ペア:

[(1, 157085990), (2, 78542995), (5, 31417198), (10, 15708599), (31, 5067290), (62, 2533645), (155, 1013458), (310, 506729)]