72972005

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{2389}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 90342000

約数和(自身を除く): 17369995

約数列:

[1, 5, 41, 149, 205, 745, 2389, 6109, 11945, 30545, 97949, 355961, 489745, 1779805, 14594401, 72972005]

約数ペア:

[(1, 72972005), (5, 14594401), (41, 1779805), (149, 489745), (205, 355961), (745, 97949), (2389, 30545), (6109, 11945)]