404978988

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{4999}}^1$

素因数の和:5206

約数の個数: 48

約数和(自身を含む): 973280000

約数和(自身を除く): 568301012

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 157, 172, 258, 314, 471, 516, 628, 942, 1884, 4999, 6751, 9998, 13502, 14997, 19996, 20253, 27004, 29994, 40506, 59988, 81012, 214957, 429914, 644871, 784843, 859828, 1289742, 1569686, 2354529, 2579484, 3139372, 4709058, 9418116, 33748249, 67496498, 101244747, 134992996, 202489494, 404978988]

約数ペア:

[(1, 404978988), (2, 202489494), (3, 134992996), (4, 101244747), (6, 67496498), (12, 33748249), (43, 9418116), (86, 4709058), (129, 3139372), (157, 2579484), (172, 2354529), (258, 1569686), (314, 1289742), (471, 859828), (516, 784843), (628, 644871), (942, 429914), (1884, 214957), (4999, 81012), (6751, 59988), (9998, 40506), (13502, 29994), (14997, 27004), (19996, 20253)]