1268443408

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{128489}}^1$

素因数の和:129114

約数の個数: 20

約数和(自身を含む): 2461611420

約数和(自身を除く): 1193168012

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2468, 4936, 9872, 128489, 256978, 513956, 1027912, 2055824, 79277713, 158555426, 317110852, 634221704, 1268443408]

約数ペア:

[(1, 1268443408), (2, 634221704), (4, 317110852), (8, 158555426), (16, 79277713), (617, 2055824), (1234, 1027912), (2468, 513956), (4936, 256978), (9872, 128489)]