1645252171408

素因数分解:

$2^4\times {\mathrm{2531}}^1\times {\mathrm{40627523}}^1$

素因数の和:40630062

約数の個数: 20

約数和(自身を含む): 3188935613808

約数和(自身を除く): 1543683442400

約数列:

[1, 2, 4, 8, 16, 2531, 5062, 10124, 20248, 40496, 40627523, 81255046, 162510092, 325020184, 650040368, 102828260713, 205656521426, 411313042852, 822626085704, 1645252171408]

約数ペア:

[(1, 1645252171408), (2, 822626085704), (4, 411313042852), (8, 205656521426), (16, 102828260713), (2531, 650040368), (5062, 325020184), (10124, 162510092), (20248, 81255046), (40496, 40627523)]