639778464

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{170881}}^1$

素因数の和:170910

約数の個数: 72

約数和(自身を含む): 1959333012

約数和(自身を除く): 1319554548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 170881, 341762, 512643, 683524, 1025286, 1367048, 1537929, 2050572, 2221453, 2734096, 3075858, 4101144, 4442906, 5468192, 6151716, 6664359, 8202288, 8885812, 12303432, 13328718, 16404576, 17771624, 19993077, 24606864, 26657436, 35543248, 39986154, 49213728, 53314872, 71086496, 79972308, 106629744, 159944616, 213259488, 319889232, 639778464]

約数ペア:

[(1, 639778464), (2, 319889232), (3, 213259488), (4, 159944616), (6, 106629744), (8, 79972308), (9, 71086496), (12, 53314872), (13, 49213728), (16, 39986154), (18, 35543248), (24, 26657436), (26, 24606864), (32, 19993077), (36, 17771624), (39, 16404576), (48, 13328718), (52, 12303432), (72, 8885812), (78, 8202288), (96, 6664359), (104, 6151716), (117, 5468192), (144, 4442906), (156, 4101144), (208, 3075858), (234, 2734096), (288, 2221453), (312, 2050572), (416, 1537929), (468, 1367048), (624, 1025286), (936, 683524), (1248, 512643), (1872, 341762), (3744, 170881)]