688645984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{1879}}^1$

素因数の和:2783

約数の個数: 48

約数和(自身を含む): 1462497120

約数和(自身を除く): 773851136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 881, 1762, 1879, 3524, 3758, 7048, 7516, 11453, 14096, 15032, 22906, 24427, 28192, 30064, 45812, 48854, 60128, 91624, 97708, 183248, 195416, 366496, 390832, 781664, 1655399, 3310798, 6621596, 13243192, 21520187, 26486384, 43040374, 52972768, 86080748, 172161496, 344322992, 688645984]

約数ペア:

[(1, 688645984), (2, 344322992), (4, 172161496), (8, 86080748), (13, 52972768), (16, 43040374), (26, 26486384), (32, 21520187), (52, 13243192), (104, 6621596), (208, 3310798), (416, 1655399), (881, 781664), (1762, 390832), (1879, 366496), (3524, 195416), (3758, 183248), (7048, 97708), (7516, 91624), (11453, 60128), (14096, 48854), (15032, 45812), (22906, 30064), (24427, 28192)]