78321965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{5003}}^1$

素因数の和:5140

約数の個数: 16

約数和(自身を含む): 97998336

約数和(自身を除く): 19676371

約数列:

[1, 5, 31, 101, 155, 505, 3131, 5003, 15655, 25015, 155093, 505303, 775465, 2526515, 15664393, 78321965]

約数ペア:

[(1, 78321965), (5, 15664393), (31, 2526515), (101, 775465), (155, 505303), (505, 155093), (3131, 25015), (5003, 15655)]