78717770

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{37307}}^1$

素因数の和:37525

約数の個数: 16

約数和(自身を含む): 142367328

約数和(自身を除く): 63649558

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 37307, 74614, 186535, 373070, 7871777, 15743554, 39358885, 78717770]

約数ペア:

[(1, 78717770), (2, 39358885), (5, 15743554), (10, 7871777), (211, 373070), (422, 186535), (1055, 74614), (2110, 37307)]