556388

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 1150464

約数和(自身を除く): 594076

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 641, 868, 1282, 2564, 4487, 8974, 17948, 19871, 39742, 79484, 139097, 278194, 556388]

約数ペア:

[(1, 556388), (2, 278194), (4, 139097), (7, 79484), (14, 39742), (28, 19871), (31, 17948), (62, 8974), (124, 4487), (217, 2564), (434, 1282), (641, 868)]