405786004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 780393600

約数和(自身を除く): 374607596

約数列:

[1, 2, 4, 13, 26, 52, 83, 149, 166, 298, 332, 596, 631, 1079, 1262, 1937, 2158, 2524, 3874, 4316, 7748, 8203, 12367, 16406, 24734, 32812, 49468, 52373, 94019, 104746, 160771, 188038, 209492, 321542, 376076, 643084, 680849, 1222247, 1361698, 2444494, 2723396, 4888988, 7803577, 15607154, 31214308, 101446501, 202893002, 405786004]

約数ペア:

[(1, 405786004), (2, 202893002), (4, 101446501), (13, 31214308), (26, 15607154), (52, 7803577), (83, 4888988), (149, 2723396), (166, 2444494), (298, 1361698), (332, 1222247), (596, 680849), (631, 643084), (1079, 376076), (1262, 321542), (1937, 209492), (2158, 188038), (2524, 160771), (3874, 104746), (4316, 94019), (7748, 52373), (8203, 49468), (12367, 32812), (16406, 24734)]