1821977656

素因数分解:

$2^3\times {\mathrm{1667}}^1\times {\mathrm{136621}}^1$

素因数の和:138294

約数の個数: 16

約数和(自身を含む): 3418282440

約数和(自身を除く): 1596304784

約数列:

[1, 2, 4, 8, 1667, 3334, 6668, 13336, 136621, 273242, 546484, 1092968, 227747207, 455494414, 910988828, 1821977656]

約数ペア:

[(1, 1821977656), (2, 910988828), (4, 455494414), (8, 227747207), (1667, 1092968), (3334, 546484), (6668, 273242), (13336, 136621)]