28435784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3851}}^1$

素因数の和:3941

約数の個数: 32

約数和(自身を含む): 58242240

約数和(自身を除く): 29806456

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 3851, 7384, 7702, 15404, 30808, 50063, 100126, 200252, 273421, 400504, 546842, 1093684, 2187368, 3554473, 7108946, 14217892, 28435784]

約数ペア:

[(1, 28435784), (2, 14217892), (4, 7108946), (8, 3554473), (13, 2187368), (26, 1093684), (52, 546842), (71, 400504), (104, 273421), (142, 200252), (284, 100126), (568, 50063), (923, 30808), (1846, 15404), (3692, 7702), (3851, 7384)]