31440563

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 41997312

約数和(自身を除く): 10556749

約数列:

[1, 7, 11, 23, 41, 77, 161, 253, 287, 433, 451, 943, 1771, 3031, 3157, 4763, 6601, 9959, 10373, 17753, 33341, 69713, 72611, 109549, 124271, 195283, 408319, 766843, 1366981, 2858233, 4491509, 31440563]

約数ペア:

[(1, 31440563), (7, 4491509), (11, 2858233), (23, 1366981), (41, 766843), (77, 408319), (161, 195283), (253, 124271), (287, 109549), (433, 72611), (451, 69713), (943, 33341), (1771, 17753), (3031, 10373), (3157, 9959), (4763, 6601)]