138450832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{665629}}^1$

素因数の和:665650

約数の個数: 20

約数和(自身を含む): 288883420

約数和(自身を除く): 150432588

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 665629, 1331258, 2662516, 5325032, 8653177, 10650064, 17306354, 34612708, 69225416, 138450832]

約数ペア:

[(1, 138450832), (2, 69225416), (4, 34612708), (8, 17306354), (13, 10650064), (16, 8653177), (26, 5325032), (52, 2662516), (104, 1331258), (208, 665629)]