628681984

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11317}}^1$

素因数の和:11371

約数の個数: 72

約数和(自身を含む): 1480575488

約数和(自身を除く): 851893504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7936, 11317, 13888, 22634, 27776, 45268, 55552, 79219, 90536, 158438, 181072, 316876, 350827, 362144, 633752, 701654, 724288, 1267504, 1403308, 1448576, 2455789, 2535008, 2806616, 2897152, 4911578, 5070016, 5613232, 9823156, 10140032, 11226464, 19646312, 20280064, 22452928, 39292624, 44905856, 78585248, 89811712, 157170496, 314340992, 628681984]

約数ペア:

[(1, 628681984), (2, 314340992), (4, 157170496), (7, 89811712), (8, 78585248), (14, 44905856), (16, 39292624), (28, 22452928), (31, 20280064), (32, 19646312), (56, 11226464), (62, 10140032), (64, 9823156), (112, 5613232), (124, 5070016), (128, 4911578), (217, 2897152), (224, 2806616), (248, 2535008), (256, 2455789), (434, 1448576), (448, 1403308), (496, 1267504), (868, 724288), (896, 701654), (992, 633752), (1736, 362144), (1792, 350827), (1984, 316876), (3472, 181072), (3968, 158438), (6944, 90536), (7936, 79219), (11317, 55552), (13888, 45268), (22634, 27776)]