289262456

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{47389}}^1$

素因数の和:47511

約数の個数: 32

約数和(自身を含む): 625548000

約数和(自身を除く): 336285544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 6104, 47389, 94778, 189556, 331723, 379112, 663446, 1326892, 2653784, 5165401, 10330802, 20661604, 36157807, 41323208, 72315614, 144631228, 289262456]

約数ペア:

[(1, 289262456), (2, 144631228), (4, 72315614), (7, 41323208), (8, 36157807), (14, 20661604), (28, 10330802), (56, 5165401), (109, 2653784), (218, 1326892), (436, 663446), (763, 379112), (872, 331723), (1526, 189556), (3052, 94778), (6104, 47389)]