77320165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 106686720

約数和(自身を除く): 29366555

約数列:

[1, 5, 13, 17, 65, 85, 167, 221, 419, 835, 1105, 2095, 2171, 2839, 5447, 7123, 10855, 14195, 27235, 35615, 36907, 69973, 92599, 184535, 349865, 462995, 909649, 1189541, 4548245, 5947705, 15464033, 77320165]

約数ペア:

[(1, 77320165), (5, 15464033), (13, 5947705), (17, 4548245), (65, 1189541), (85, 909649), (167, 462995), (221, 349865), (419, 184535), (835, 92599), (1105, 69973), (2095, 36907), (2171, 35615), (2839, 27235), (5447, 14195), (7123, 10855)]