81004768

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{194723}}^1$

素因数の和:194746

約数の個数: 24

約数和(自身を含む): 171746568

約数和(自身を除く): 90741800

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 194723, 389446, 778892, 1557784, 2531399, 3115568, 5062798, 6231136, 10125596, 20251192, 40502384, 81004768]

約数ペア:

[(1, 81004768), (2, 40502384), (4, 20251192), (8, 10125596), (13, 6231136), (16, 5062798), (26, 3115568), (32, 2531399), (52, 1557784), (104, 778892), (208, 389446), (416, 194723)]