28909705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 38752704

約数和(自身を除く): 9842999

約数列:

[1, 5, 11, 55, 59, 151, 295, 649, 755, 1661, 3245, 3481, 8305, 8909, 17405, 38291, 44545, 97999, 191455, 489995, 525631, 2628155, 5781941, 28909705]

約数ペア:

[(1, 28909705), (5, 5781941), (11, 2628155), (55, 525631), (59, 489995), (151, 191455), (295, 97999), (649, 44545), (755, 38291), (1661, 17405), (3245, 8909), (3481, 8305)]