405089076

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{691}}^1\times {\mathrm{997}}^1$

素因数の和:1709

約数の個数: 72

約数和(自身を含む): 1102223136

約数和(自身を除く): 697134060

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 691, 997, 1382, 1994, 2073, 2764, 2991, 3988, 4146, 4837, 5982, 6979, 8292, 9674, 11964, 13958, 14511, 19348, 20937, 27916, 29022, 33859, 41874, 48853, 58044, 67718, 83748, 97706, 101577, 135436, 146559, 195412, 203154, 293118, 406308, 586236, 688927, 1377854, 2066781, 2755708, 4133562, 4822489, 8267124, 9644978, 14467467, 19289956, 28934934, 33757423, 57869868, 67514846, 101272269, 135029692, 202544538, 405089076]

約数ペア:

[(1, 405089076), (2, 202544538), (3, 135029692), (4, 101272269), (6, 67514846), (7, 57869868), (12, 33757423), (14, 28934934), (21, 19289956), (28, 14467467), (42, 9644978), (49, 8267124), (84, 4822489), (98, 4133562), (147, 2755708), (196, 2066781), (294, 1377854), (588, 688927), (691, 586236), (997, 406308), (1382, 293118), (1994, 203154), (2073, 195412), (2764, 146559), (2991, 135436), (3988, 101577), (4146, 97706), (4837, 83748), (5982, 67718), (6979, 58044), (8292, 48853), (9674, 41874), (11964, 33859), (13958, 29022), (14511, 27916), (19348, 20937)]