890066905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{5449}}^1$

素因数の和:5833

約数の個数: 32

約数和(自身を含む): 1318464000

約数和(自身を除く): 428397095

約数列:

[1, 5, 7, 13, 35, 65, 91, 359, 455, 1795, 2513, 4667, 5449, 12565, 23335, 27245, 32669, 38143, 70837, 163345, 190715, 354185, 495859, 1956191, 2479295, 9780955, 13693337, 25430483, 68466685, 127152415, 178013381, 890066905]

約数ペア:

[(1, 890066905), (5, 178013381), (7, 127152415), (13, 68466685), (35, 25430483), (65, 13693337), (91, 9780955), (359, 2479295), (455, 1956191), (1795, 495859), (2513, 354185), (4667, 190715), (5449, 163345), (12565, 70837), (23335, 38143), (27245, 32669)]