799379984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1249}}^1$

素因数の和:1468

約数の個数: 80

約数和(自身を含む): 1777230000

約数和(自身を除く): 977850016

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 181, 208, 221, 272, 362, 442, 724, 884, 1249, 1448, 1768, 2353, 2498, 2896, 3077, 3536, 4706, 4996, 6154, 9412, 9992, 12308, 16237, 18824, 19984, 21233, 24616, 32474, 37648, 40001, 42466, 49232, 64948, 80002, 84932, 129896, 160004, 169864, 226069, 259792, 276029, 320008, 339728, 452138, 552058, 640016, 904276, 1104116, 1808552, 2208232, 2938897, 3617104, 3843173, 4416464, 5877794, 7686346, 11755588, 15372692, 23511176, 30745384, 47022352, 49961249, 61490768, 99922498, 199844996, 399689992, 799379984]

約数ペア:

[(1, 799379984), (2, 399689992), (4, 199844996), (8, 99922498), (13, 61490768), (16, 49961249), (17, 47022352), (26, 30745384), (34, 23511176), (52, 15372692), (68, 11755588), (104, 7686346), (136, 5877794), (181, 4416464), (208, 3843173), (221, 3617104), (272, 2938897), (362, 2208232), (442, 1808552), (724, 1104116), (884, 904276), (1249, 640016), (1448, 552058), (1768, 452138), (2353, 339728), (2498, 320008), (2896, 276029), (3077, 259792), (3536, 226069), (4706, 169864), (4996, 160004), (6154, 129896), (9412, 84932), (9992, 80002), (12308, 64948), (16237, 49232), (18824, 42466), (19984, 40001), (21233, 37648), (24616, 32474)]