2907438235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{17971}}^1$

素因数の和:18139

約数の個数: 32

約数和(自身を含む): 3985470720

約数和(自身を除く): 1078032485

約数列:

[1, 5, 13, 19, 65, 95, 131, 247, 655, 1235, 1703, 2489, 8515, 12445, 17971, 32357, 89855, 161785, 233623, 341449, 1168115, 1707245, 2354201, 4438837, 11771005, 22194185, 30604613, 44729819, 153023065, 223649095, 581487647, 2907438235]

約数ペア:

[(1, 2907438235), (5, 581487647), (13, 223649095), (19, 153023065), (65, 44729819), (95, 30604613), (131, 22194185), (247, 11771005), (655, 4438837), (1235, 2354201), (1703, 1707245), (2489, 1168115), (8515, 341449), (12445, 233623), (17971, 161785), (32357, 89855)]