78082490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251879}}^1$

素因数の和:251917

約数の個数: 16

約数和(自身を含む): 145082880

約数和(自身を除く): 67000390

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 251879, 503758, 1259395, 2518790, 7808249, 15616498, 39041245, 78082490]

約数ペア:

[(1, 78082490), (2, 39041245), (5, 15616498), (10, 7808249), (31, 2518790), (62, 1259395), (155, 503758), (310, 251879)]