212129905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{15467}}^1$

素因数の和:15696

約数の個数: 16

約数和(自身を含む): 275454144

約数和(自身を除く): 63324239

約数列:

[1, 5, 13, 65, 211, 1055, 2743, 13715, 15467, 77335, 201071, 1005355, 3263537, 16317685, 42425981, 212129905]

約数ペア:

[(1, 212129905), (5, 42425981), (13, 16317685), (65, 3263537), (211, 1005355), (1055, 201071), (2743, 77335), (13715, 15467)]