31500235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 13134005

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 983, 1105, 1885, 2465, 4915, 6409, 12779, 16711, 28507, 32045, 63895, 83555, 142535, 217243, 370591, 484619, 1086215, 1852955, 2423095, 6300047, 31500235]

約数ペア:

[(1, 31500235), (5, 6300047), (13, 2423095), (17, 1852955), (29, 1086215), (65, 484619), (85, 370591), (145, 217243), (221, 142535), (377, 83555), (493, 63895), (983, 32045), (1105, 28507), (1885, 16711), (2465, 12779), (4915, 6409)]