405956816

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{2161}}^1$

素因数の和:2427

約数の個数: 40

約数和(自身を含む): 804264000

約数和(自身を除く): 398307184

約数列:

[1, 2, 4, 8, 16, 59, 118, 199, 236, 398, 472, 796, 944, 1592, 2161, 3184, 4322, 8644, 11741, 17288, 23482, 34576, 46964, 93928, 127499, 187856, 254998, 430039, 509996, 860078, 1019992, 1720156, 2039984, 3440312, 6880624, 25372301, 50744602, 101489204, 202978408, 405956816]

約数ペア:

[(1, 405956816), (2, 202978408), (4, 101489204), (8, 50744602), (16, 25372301), (59, 6880624), (118, 3440312), (199, 2039984), (236, 1720156), (398, 1019992), (472, 860078), (796, 509996), (944, 430039), (1592, 254998), (2161, 187856), (3184, 127499), (4322, 93928), (8644, 46964), (11741, 34576), (17288, 23482)]