81666896

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:987

約数の個数: 40

約数和(自身を含む): 164275200

約数和(自身を除く): 82608304

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 229, 248, 458, 496, 719, 916, 1438, 1832, 2876, 3664, 5752, 7099, 11504, 14198, 22289, 28396, 44578, 56792, 89156, 113584, 164651, 178312, 329302, 356624, 658604, 1317208, 2634416, 5104181, 10208362, 20416724, 40833448, 81666896]

約数ペア:

[(1, 81666896), (2, 40833448), (4, 20416724), (8, 10208362), (16, 5104181), (31, 2634416), (62, 1317208), (124, 658604), (229, 356624), (248, 329302), (458, 178312), (496, 164651), (719, 113584), (916, 89156), (1438, 56792), (1832, 44578), (2876, 28396), (3664, 22289), (5752, 14198), (7099, 11504)]