989858045

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{59}}^1\times {\mathrm{2521}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 1329194880

約数和(自身を除く): 339336835

約数列:

[1, 5, 11, 55, 59, 121, 295, 605, 649, 1331, 2521, 3245, 6655, 7139, 12605, 27731, 35695, 78529, 138655, 148739, 305041, 392645, 743695, 1525205, 1636129, 3355451, 8180645, 16777255, 17997419, 89987095, 197971609, 989858045]

約数ペア:

[(1, 989858045), (5, 197971609), (11, 89987095), (55, 17997419), (59, 16777255), (121, 8180645), (295, 3355451), (605, 1636129), (649, 1525205), (1331, 743695), (2521, 392645), (3245, 305041), (6655, 148739), (7139, 138655), (12605, 78529), (27731, 35695)]