42140215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{15077}}^1$

素因数の和:15138

約数の個数: 16

約数和(自身を含む): 55728288

約数和(自身を除く): 13588073

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 15077, 75385, 196001, 648311, 980005, 3241555, 8428043, 42140215]

約数ペア:

[(1, 42140215), (5, 8428043), (13, 3241555), (43, 980005), (65, 648311), (215, 196001), (559, 75385), (2795, 15077)]