78850690

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 144898560

約数和(自身を除く): 66047870

約数列:

[1, 2, 5, 10, 79, 151, 158, 302, 395, 661, 755, 790, 1322, 1510, 3305, 6610, 11929, 23858, 52219, 59645, 99811, 104438, 119290, 199622, 261095, 499055, 522190, 998110, 7885069, 15770138, 39425345, 78850690]

約数ペア:

[(1, 78850690), (2, 39425345), (5, 15770138), (10, 7885069), (79, 998110), (151, 522190), (158, 499055), (302, 261095), (395, 199622), (661, 119290), (755, 104438), (790, 99811), (1322, 59645), (1510, 52219), (3305, 23858), (6610, 11929)]