6401213

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{773}}^1$

素因数の和:813

約数の個数: 18

約数和(自身を含む): 8073594

約数和(自身を除く): 1672381

約数列:

[1, 7, 13, 49, 91, 169, 637, 773, 1183, 5411, 8281, 10049, 37877, 70343, 130637, 492401, 914459, 6401213]

約数ペア:

[(1, 6401213), (7, 914459), (13, 492401), (49, 130637), (91, 70343), (169, 37877), (637, 10049), (773, 8281), (1183, 5411)]