87891955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{2243}}^1$

素因数の和:2726

約数の個数: 16

約数和(自身を含む): 111966624

約数和(自身を除く): 24074669

約数列:

[1, 5, 17, 85, 461, 2243, 2305, 7837, 11215, 38131, 39185, 190655, 1034023, 5170115, 17578391, 87891955]

約数ペア:

[(1, 87891955), (5, 17578391), (17, 5170115), (85, 1034023), (461, 190655), (2243, 39185), (2305, 38131), (7837, 11215)]