87891610

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{123791}}^1$

素因数の和:123869

約数の個数: 16

約数和(自身を含む): 160434432

約数和(自身を除く): 72542822

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 123791, 247582, 618955, 1237910, 8789161, 17578322, 43945805, 87891610]

約数ペア:

[(1, 87891610), (2, 43945805), (5, 17578322), (10, 8789161), (71, 1237910), (142, 618955), (355, 247582), (710, 123791)]