396676

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 820736

約数和(自身を除く): 424060

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 457, 868, 914, 1828, 3199, 6398, 12796, 14167, 28334, 56668, 99169, 198338, 396676]

約数ペア:

[(1, 396676), (2, 198338), (4, 99169), (7, 56668), (14, 28334), (28, 14167), (31, 12796), (62, 6398), (124, 3199), (217, 1828), (434, 914), (457, 868)]