398454512

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{7331}}^1$

素因数の和:7461

約数の個数: 40

約数和(自身を含む): 800067840

約数和(自身を除く): 401613328

約数列:

[1, 2, 4, 8, 16, 43, 79, 86, 158, 172, 316, 344, 632, 688, 1264, 3397, 6794, 7331, 13588, 14662, 27176, 29324, 54352, 58648, 117296, 315233, 579149, 630466, 1158298, 1260932, 2316596, 2521864, 4633192, 5043728, 9266384, 24903407, 49806814, 99613628, 199227256, 398454512]

約数ペア:

[(1, 398454512), (2, 199227256), (4, 99613628), (8, 49806814), (16, 24903407), (43, 9266384), (79, 5043728), (86, 4633192), (158, 2521864), (172, 2316596), (316, 1260932), (344, 1158298), (632, 630466), (688, 579149), (1264, 315233), (3397, 117296), (6794, 58648), (7331, 54352), (13588, 29324), (14662, 27176)]