261707868

素因数分解:

$2^2\times 3^3\times {\mathrm{239}}^1\times {\mathrm{10139}}^1$

素因数の和:10391

約数の個数: 48

約数和(自身を含む): 681408000

約数和(自身を除く): 419700132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 239, 478, 717, 956, 1434, 2151, 2868, 4302, 6453, 8604, 10139, 12906, 20278, 25812, 30417, 40556, 60834, 91251, 121668, 182502, 273753, 365004, 547506, 1095012, 2423221, 4846442, 7269663, 9692884, 14539326, 21808989, 29078652, 43617978, 65426967, 87235956, 130853934, 261707868]

約数ペア:

[(1, 261707868), (2, 130853934), (3, 87235956), (4, 65426967), (6, 43617978), (9, 29078652), (12, 21808989), (18, 14539326), (27, 9692884), (36, 7269663), (54, 4846442), (108, 2423221), (239, 1095012), (478, 547506), (717, 365004), (956, 273753), (1434, 182502), (2151, 121668), (2868, 91251), (4302, 60834), (6453, 40556), (8604, 30417), (10139, 25812), (12906, 20278)]