31253348

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 64512000

約数和(自身を除く): 33258652

約数列:

[1, 2, 4, 7, 14, 28, 71, 79, 142, 158, 199, 284, 316, 398, 497, 553, 796, 994, 1106, 1393, 1988, 2212, 2786, 5572, 5609, 11218, 14129, 15721, 22436, 28258, 31442, 39263, 56516, 62884, 78526, 98903, 110047, 157052, 197806, 220094, 395612, 440188, 1116191, 2232382, 4464764, 7813337, 15626674, 31253348]

約数ペア:

[(1, 31253348), (2, 15626674), (4, 7813337), (7, 4464764), (14, 2232382), (28, 1116191), (71, 440188), (79, 395612), (142, 220094), (158, 197806), (199, 157052), (284, 110047), (316, 98903), (398, 78526), (497, 62884), (553, 56516), (796, 39263), (994, 31442), (1106, 28258), (1393, 22436), (1988, 15721), (2212, 14129), (2786, 11218), (5572, 5609)]