217482158

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{11909}}^1$

素因数の和:12331

約数の個数: 16

約数和(自身を含む): 341292960

約数和(自身を除く): 123810802

約数列:

[1, 2, 23, 46, 397, 794, 9131, 11909, 18262, 23818, 273907, 547814, 4727873, 9455746, 108741079, 217482158]

約数ペア:

[(1, 217482158), (2, 108741079), (23, 9455746), (46, 4727873), (397, 547814), (794, 273907), (9131, 23818), (11909, 18262)]