398174

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:272

約数の個数: 24

約数和(自身を含む): 738720

約数和(自身を除く): 340546

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 239, 478, 833, 1666, 1673, 3346, 4063, 8126, 11711, 23422, 28441, 56882, 199087, 398174]

約数ペア:

[(1, 398174), (2, 199087), (7, 56882), (14, 28441), (17, 23422), (34, 11711), (49, 8126), (98, 4063), (119, 3346), (238, 1673), (239, 1666), (478, 833)]