8874125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 12300288

約数和(自身を除く): 3426163

約数列:

[1, 5, 13, 25, 43, 65, 125, 127, 215, 325, 559, 635, 1075, 1625, 1651, 2795, 3175, 5375, 5461, 8255, 13975, 15875, 27305, 41275, 69875, 70993, 136525, 206375, 354965, 682625, 1774825, 8874125]

約数ペア:

[(1, 8874125), (5, 1774825), (13, 682625), (25, 354965), (43, 206375), (65, 136525), (125, 70993), (127, 69875), (215, 41275), (325, 27305), (559, 15875), (635, 13975), (1075, 8255), (1625, 5461), (1651, 5375), (2795, 3175)]