81648970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{48313}}^1$

素因数の和:48346

約数の個数: 24

約数和(自身を含む): 159146316

約数和(自身を除く): 77497346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 48313, 96626, 241565, 483130, 628069, 1256138, 3140345, 6280690, 8164897, 16329794, 40824485, 81648970]

約数ペア:

[(1, 81648970), (2, 40824485), (5, 16329794), (10, 8164897), (13, 6280690), (26, 3140345), (65, 1256138), (130, 628069), (169, 483130), (338, 241565), (845, 96626), (1690, 48313)]