61318465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30431}}^1$

素因数の和:30480

約数の個数: 16

約数和(自身を含む): 81801216

約数和(自身を除く): 20482751

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 30431, 152155, 395603, 943361, 1978015, 4716805, 12263693, 61318465]

約数ペア:

[(1, 61318465), (5, 12263693), (13, 4716805), (31, 1978015), (65, 943361), (155, 395603), (403, 152155), (2015, 30431)]