1987668788

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{8707}}^1$

素因数の和:9012

約数の個数: 48

約数和(自身を含む): 4119650304

約数和(自身を除く): 2131981516

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 263, 434, 526, 868, 1052, 1841, 3682, 7364, 8153, 8707, 16306, 17414, 32612, 34828, 57071, 60949, 114142, 121898, 228284, 243796, 269917, 539834, 1079668, 1889419, 2289941, 3778838, 4579882, 7557676, 9159764, 16029587, 32059174, 64118348, 70988171, 141976342, 283952684, 496917197, 993834394, 1987668788]

約数ペア:

[(1, 1987668788), (2, 993834394), (4, 496917197), (7, 283952684), (14, 141976342), (28, 70988171), (31, 64118348), (62, 32059174), (124, 16029587), (217, 9159764), (263, 7557676), (434, 4579882), (526, 3778838), (868, 2289941), (1052, 1889419), (1841, 1079668), (3682, 539834), (7364, 269917), (8153, 243796), (8707, 228284), (16306, 121898), (17414, 114142), (32612, 60949), (34828, 57071)]