829790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:524

約数の個数: 24

約数和(自身を含む): 1620648

約数和(自身を除く): 790858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 491, 845, 982, 1690, 2455, 4910, 6383, 12766, 31915, 63830, 82979, 165958, 414895, 829790]

約数ペア:

[(1, 829790), (2, 414895), (5, 165958), (10, 82979), (13, 63830), (26, 31915), (65, 12766), (130, 6383), (169, 4910), (338, 2455), (491, 1690), (845, 982)]