31135985

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 38154240

約数和(自身を除く): 7018255

約数列:

[1, 5, 71, 229, 355, 383, 1145, 1915, 16259, 27193, 81295, 87707, 135965, 438535, 6227197, 31135985]

約数ペア:

[(1, 31135985), (5, 6227197), (71, 438535), (229, 135965), (355, 87707), (383, 81295), (1145, 27193), (1915, 16259)]