654320173

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 732256200

約数和(自身を除く): 77936027

約数列:

[1, 13, 37, 169, 269, 389, 481, 3497, 5057, 6253, 9953, 14393, 45461, 65741, 104641, 129389, 187109, 1360333, 1682057, 2432417, 3871717, 17684329, 50332321, 654320173]

約数ペア:

[(1, 654320173), (13, 50332321), (37, 17684329), (169, 3871717), (269, 2432417), (389, 1682057), (481, 1360333), (3497, 187109), (5057, 129389), (6253, 104641), (9953, 65741), (14393, 45461)]