31080259

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 38912000

約数和(自身を除く): 7831741

約数列:

[1, 7, 31, 37, 49, 79, 217, 259, 343, 553, 1147, 1519, 1813, 2449, 2923, 3871, 8029, 10633, 12691, 17143, 20461, 27097, 56203, 90613, 120001, 143227, 393421, 634291, 840007, 1002589, 4440037, 31080259]

約数ペア:

[(1, 31080259), (7, 4440037), (31, 1002589), (37, 840007), (49, 634291), (79, 393421), (217, 143227), (259, 120001), (343, 90613), (553, 56203), (1147, 27097), (1519, 20461), (1813, 17143), (2449, 12691), (2923, 10633), (3871, 8029)]