1298322512

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{202357}}^1$

素因数の和:202766

約数の個数: 20

約数和(自身を含む): 2521785396

約数和(自身を除く): 1223462884

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 202357, 404714, 809428, 1618856, 3237712, 81145157, 162290314, 324580628, 649161256, 1298322512]

約数ペア:

[(1, 1298322512), (2, 649161256), (4, 324580628), (8, 162290314), (16, 81145157), (401, 3237712), (802, 1618856), (1604, 809428), (3208, 404714), (6416, 202357)]