289327885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{2713}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 434587392

約数和(自身を除く): 145259507

約数列:

[1, 5, 7, 11, 35, 55, 77, 277, 385, 1385, 1939, 2713, 3047, 9695, 13565, 15235, 18991, 21329, 29843, 94955, 106645, 149215, 208901, 751501, 1044505, 3757505, 5260507, 8266511, 26302535, 41332555, 57865577, 289327885]

約数ペア:

[(1, 289327885), (5, 57865577), (7, 41332555), (11, 26302535), (35, 8266511), (55, 5260507), (77, 3757505), (277, 1044505), (385, 751501), (1385, 208901), (1939, 149215), (2713, 106645), (3047, 94955), (9695, 29843), (13565, 21329), (15235, 18991)]