78566690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1103}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 150232320

約数和(自身を除く): 71665630

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 419, 838, 1103, 2095, 2206, 4190, 5515, 7123, 11030, 14246, 18751, 35615, 37502, 71230, 93755, 187510, 462157, 924314, 2310785, 4621570, 7856669, 15713338, 39283345, 78566690]

約数ペア:

[(1, 78566690), (2, 39283345), (5, 15713338), (10, 7856669), (17, 4621570), (34, 2310785), (85, 924314), (170, 462157), (419, 187510), (838, 93755), (1103, 71230), (2095, 37502), (2206, 35615), (4190, 18751), (5515, 14246), (7123, 11030)]