86871421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{1213}}^1$

素因数の和:2020

約数の個数: 16

約数和(自身を含む): 107142784

約数和(自身を除く): 20271363

約数列:

[1, 7, 13, 91, 787, 1213, 5509, 8491, 10231, 15769, 71617, 110383, 954631, 6682417, 12410203, 86871421]

約数ペア:

[(1, 86871421), (7, 12410203), (13, 6682417), (91, 954631), (787, 110383), (1213, 71617), (5509, 15769), (8491, 10231)]