31882025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 47681472

約数和(自身を除く): 15799447

約数列:

[1, 5, 7, 23, 25, 35, 89, 115, 161, 175, 445, 575, 623, 805, 2047, 2225, 3115, 4025, 7921, 10235, 14329, 15575, 39605, 51175, 55447, 71645, 182183, 198025, 277235, 358225, 910915, 1275281, 1386175, 4554575, 6376405, 31882025]

約数ペア:

[(1, 31882025), (5, 6376405), (7, 4554575), (23, 1386175), (25, 1275281), (35, 910915), (89, 358225), (115, 277235), (161, 198025), (175, 182183), (445, 71645), (575, 55447), (623, 51175), (805, 39605), (2047, 15575), (2225, 14329), (3115, 10235), (4025, 7921)]