398366984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{7853}}^1$

素因数の和:8249

約数の個数: 32

約数和(自身を含む): 793096920

約数和(自身を除く): 394729936

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 373, 746, 1492, 2984, 6341, 7853, 12682, 15706, 25364, 31412, 50728, 62824, 133501, 267002, 534004, 1068008, 2929169, 5858338, 11716676, 23433352, 49795873, 99591746, 199183492, 398366984]

約数ペア:

[(1, 398366984), (2, 199183492), (4, 99591746), (8, 49795873), (17, 23433352), (34, 11716676), (68, 5858338), (136, 2929169), (373, 1068008), (746, 534004), (1492, 267002), (2984, 133501), (6341, 62824), (7853, 50728), (12682, 31412), (15706, 25364)]