65940695

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 81021600

約数和(自身を除く): 15080905

約数列:

[1, 5, 61, 149, 305, 745, 1451, 7255, 9089, 45445, 88511, 216199, 442555, 1080995, 13188139, 65940695]

約数ペア:

[(1, 65940695), (5, 13188139), (61, 1080995), (149, 442555), (305, 216199), (745, 88511), (1451, 45445), (7255, 9089)]