221775325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2053}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 286533000

約数和(自身を除く): 64757675

約数列:

[1, 5, 25, 29, 145, 149, 725, 745, 2053, 3725, 4321, 10265, 21605, 51325, 59537, 108025, 297685, 305897, 1488425, 1529485, 7647425, 8871013, 44355065, 221775325]

約数ペア:

[(1, 221775325), (5, 44355065), (25, 8871013), (29, 7647425), (145, 1529485), (149, 1488425), (725, 305897), (745, 297685), (2053, 108025), (3725, 59537), (4321, 51325), (10265, 21605)]