289399472

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{142421}}^1$

素因数の和:142556

約数の個数: 20

約数和(自身を含む): 565130496

約数和(自身を除く): 275731024

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 142421, 284842, 569684, 1139368, 2278736, 18087467, 36174934, 72349868, 144699736, 289399472]

約数ペア:

[(1, 289399472), (2, 144699736), (4, 72349868), (8, 36174934), (16, 18087467), (127, 2278736), (254, 1139368), (508, 569684), (1016, 284842), (2032, 142421)]