217156685

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{40177}}^1$

素因数の和:40252

約数の個数: 16

約数和(自身を含む): 277710336

約数和(自身を除く): 60553651

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 40177, 200885, 924071, 1888319, 4620355, 9441595, 43431337, 217156685]

約数ペア:

[(1, 217156685), (5, 43431337), (23, 9441595), (47, 4620355), (115, 1888319), (235, 924071), (1081, 200885), (5405, 40177)]