81780116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{64091}}^1$

素因数の和:64135

約数の個数: 24

約数和(自身を含む): 161511840

約数和(自身を除く): 79731724

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 64091, 128182, 256364, 705001, 1410002, 1858639, 2820004, 3717278, 7434556, 20445029, 40890058, 81780116]

約数ペア:

[(1, 81780116), (2, 40890058), (4, 20445029), (11, 7434556), (22, 3717278), (29, 2820004), (44, 1858639), (58, 1410002), (116, 705001), (319, 256364), (638, 128182), (1276, 64091)]