664459848

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{78877}}^1$

素因数の和:78908

約数の個数: 80

約数和(自身を含む): 2004289980

約数和(自身を除く): 1339830132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 78877, 157754, 236631, 315508, 473262, 631016, 709893, 946524, 1025401, 1419786, 1893048, 2050802, 2129679, 2839572, 3076203, 4101604, 4259358, 5679144, 6152406, 6389037, 8203208, 8518716, 9228609, 12304812, 12778074, 17037432, 18457218, 24609624, 25556148, 27685827, 36914436, 51112296, 55371654, 73828872, 83057481, 110743308, 166114962, 221486616, 332229924, 664459848]

約数ペア:

[(1, 664459848), (2, 332229924), (3, 221486616), (4, 166114962), (6, 110743308), (8, 83057481), (9, 73828872), (12, 55371654), (13, 51112296), (18, 36914436), (24, 27685827), (26, 25556148), (27, 24609624), (36, 18457218), (39, 17037432), (52, 12778074), (54, 12304812), (72, 9228609), (78, 8518716), (81, 8203208), (104, 6389037), (108, 6152406), (117, 5679144), (156, 4259358), (162, 4101604), (216, 3076203), (234, 2839572), (312, 2129679), (324, 2050802), (351, 1893048), (468, 1419786), (648, 1025401), (702, 946524), (936, 709893), (1053, 631016), (1404, 473262), (2106, 315508), (2808, 236631), (4212, 157754), (8424, 78877)]