398696

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 818400

約数和(自身を除く): 419704

約数列:

[1, 2, 4, 8, 19, 38, 43, 61, 76, 86, 122, 152, 172, 244, 344, 488, 817, 1159, 1634, 2318, 2623, 3268, 4636, 5246, 6536, 9272, 10492, 20984, 49837, 99674, 199348, 398696]

約数ペア:

[(1, 398696), (2, 199348), (4, 99674), (8, 49837), (19, 20984), (38, 10492), (43, 9272), (61, 6536), (76, 5246), (86, 4636), (122, 3268), (152, 2623), (172, 2318), (244, 1634), (344, 1159), (488, 817)]