222222925

素因数分解:

$5^2\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 291710496

約数和(自身を除く): 69487571

約数列:

[1, 5, 25, 37, 43, 151, 185, 215, 755, 925, 1075, 1369, 1591, 3775, 5587, 6493, 6845, 7955, 27935, 32465, 34225, 39775, 58867, 139675, 162325, 206719, 240241, 294335, 1033595, 1201205, 1471675, 5167975, 6006025, 8888917, 44444585, 222222925]

約数ペア:

[(1, 222222925), (5, 44444585), (25, 8888917), (37, 6006025), (43, 5167975), (151, 1471675), (185, 1201205), (215, 1033595), (755, 294335), (925, 240241), (1075, 206719), (1369, 162325), (1591, 139675), (3775, 58867), (5587, 39775), (6493, 34225), (6845, 32465), (7955, 27935)]