870149238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{20717839}}^1$

素因数の和:20717851

約数の個数: 16

約数和(自身を含む): 1988912640

約数和(自身を除く): 1118763402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 20717839, 41435678, 62153517, 124307034, 145024873, 290049746, 435074619, 870149238]

約数ペア:

[(1, 870149238), (2, 435074619), (3, 290049746), (6, 145024873), (7, 124307034), (14, 62153517), (21, 41435678), (42, 20717839)]