61242215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 79017120

約数和(自身を除く): 17774905

約数列:

[1, 5, 23, 37, 115, 185, 389, 851, 1369, 1945, 4255, 6845, 8947, 14393, 31487, 44735, 71965, 157435, 331039, 532541, 1655195, 2662705, 12248443, 61242215]

約数ペア:

[(1, 61242215), (5, 12248443), (23, 2662705), (37, 1655195), (115, 532541), (185, 331039), (389, 157435), (851, 71965), (1369, 44735), (1945, 31487), (4255, 14393), (6845, 8947)]