51046736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245417}}^1$

素因数の和:245438

約数の個数: 20

約数和(自身を含む): 106511412

約数和(自身を除く): 55464676

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245417, 490834, 981668, 1963336, 3190421, 3926672, 6380842, 12761684, 25523368, 51046736]

約数ペア:

[(1, 51046736), (2, 25523368), (4, 12761684), (8, 6380842), (13, 3926672), (16, 3190421), (26, 1963336), (52, 981668), (104, 490834), (208, 245417)]