289456

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:316

約数の個数: 20

約数和(自身を含む): 570400

約数和(自身を除く): 280944

約数列:

[1, 2, 4, 8, 16, 79, 158, 229, 316, 458, 632, 916, 1264, 1832, 3664, 18091, 36182, 72364, 144728, 289456]

約数ペア:

[(1, 289456), (2, 144728), (4, 72364), (8, 36182), (16, 18091), (79, 3664), (158, 1832), (229, 1264), (316, 916), (458, 632)]