398939688

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{263849}}^1$

素因数の和:263871

約数の個数: 64

約数和(自身を含む): 1266480000

約数和(自身を除く): 867540312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 263849, 527698, 791547, 1055396, 1583094, 1846943, 2110792, 2374641, 3166188, 3693886, 4749282, 5540829, 6332376, 7123923, 7387772, 9498564, 11081658, 14247846, 14775544, 16622487, 18997128, 22163316, 28495692, 33244974, 44326632, 49867461, 56991384, 66489948, 99734922, 132979896, 199469844, 398939688]

約数ペア:

[(1, 398939688), (2, 199469844), (3, 132979896), (4, 99734922), (6, 66489948), (7, 56991384), (8, 49867461), (9, 44326632), (12, 33244974), (14, 28495692), (18, 22163316), (21, 18997128), (24, 16622487), (27, 14775544), (28, 14247846), (36, 11081658), (42, 9498564), (54, 7387772), (56, 7123923), (63, 6332376), (72, 5540829), (84, 4749282), (108, 3693886), (126, 3166188), (168, 2374641), (189, 2110792), (216, 1846943), (252, 1583094), (378, 1055396), (504, 791547), (756, 527698), (1512, 263849)]