2108505717025

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{45613969}}^1$

素因数の和:45614065

約数の個数: 18

約数和(自身を含む): 2676764601510

約数和(自身を除く): 568258884485

約数列:

[1, 5, 25, 43, 215, 1075, 1849, 9245, 46225, 45613969, 228069845, 1140349225, 1961400667, 9807003335, 49035016675, 84340228681, 421701143405, 2108505717025]

約数ペア:

[(1, 2108505717025), (5, 421701143405), (25, 84340228681), (43, 49035016675), (215, 9807003335), (1075, 1961400667), (1849, 1140349225), (9245, 228069845), (46225, 45613969)]