681394506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8735827}}^1$

素因数の和:8735845

約数の個数: 16

約数和(自身を含む): 1467619104

約数和(自身を除く): 786224598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8735827, 17471654, 26207481, 52414962, 113565751, 227131502, 340697253, 681394506]

約数ペア:

[(1, 681394506), (2, 340697253), (3, 227131502), (6, 113565751), (13, 52414962), (26, 26207481), (39, 17471654), (78, 8735827)]