320464898

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1\times {\mathrm{1931}}^1$

素因数の和:2450

約数の個数: 24

約数和(自身を含む): 521848656

約数和(自身を除く): 201383758

約数列:

[1, 2, 13, 26, 169, 338, 491, 982, 1931, 3862, 6383, 12766, 25103, 50206, 82979, 165958, 326339, 652678, 948121, 1896242, 12325573, 24651146, 160232449, 320464898]

約数ペア:

[(1, 320464898), (2, 160232449), (13, 24651146), (26, 12325573), (169, 1896242), (338, 948121), (491, 652678), (982, 326339), (1931, 165958), (3862, 82979), (6383, 50206), (12766, 25103)]