689487968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{1327}}^1$

素因数の和:2599

約数の個数: 48

約数和(自身を含む): 1464120000

約数和(自身を除く): 774632032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1249, 1327, 2498, 2654, 4996, 5308, 9992, 10616, 16237, 17251, 19984, 21232, 32474, 34502, 39968, 42464, 64948, 69004, 129896, 138008, 259792, 276016, 519584, 552032, 1657423, 3314846, 6629692, 13259384, 21546499, 26518768, 43092998, 53037536, 86185996, 172371992, 344743984, 689487968]

約数ペア:

[(1, 689487968), (2, 344743984), (4, 172371992), (8, 86185996), (13, 53037536), (16, 43092998), (26, 26518768), (32, 21546499), (52, 13259384), (104, 6629692), (208, 3314846), (416, 1657423), (1249, 552032), (1327, 519584), (2498, 276016), (2654, 259792), (4996, 138008), (5308, 129896), (9992, 69004), (10616, 64948), (16237, 42464), (17251, 39968), (19984, 34502), (21232, 32474)]