9981808

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 20088000

約数和(自身を除く): 10106192

約数列:

[1, 2, 4, 8, 16, 53, 79, 106, 149, 158, 212, 298, 316, 424, 596, 632, 848, 1192, 1264, 2384, 4187, 7897, 8374, 11771, 15794, 16748, 23542, 31588, 33496, 47084, 63176, 66992, 94168, 126352, 188336, 623863, 1247726, 2495452, 4990904, 9981808]

約数ペア:

[(1, 9981808), (2, 4990904), (4, 2495452), (8, 1247726), (16, 623863), (53, 188336), (79, 126352), (106, 94168), (149, 66992), (158, 63176), (212, 47084), (298, 33496), (316, 31588), (424, 23542), (596, 16748), (632, 15794), (848, 11771), (1192, 8374), (1264, 7897), (2384, 4187)]