398833372

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{233509}}^1$

素因数の和:233581

約数の個数: 24

約数和(自身を含む): 810746720

約数和(自身を除く): 411913348

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 233509, 467018, 934036, 1634563, 3269126, 6538252, 14244049, 28488098, 56976196, 99708343, 199416686, 398833372]

約数ペア:

[(1, 398833372), (2, 199416686), (4, 99708343), (7, 56976196), (14, 28488098), (28, 14244049), (61, 6538252), (122, 3269126), (244, 1634563), (427, 934036), (854, 467018), (1708, 233509)]