12212135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 15966720

約数和(自身を除く): 3754585

約数列:

[1, 5, 13, 65, 89, 445, 1157, 2111, 5785, 10555, 27443, 137215, 187879, 939395, 2442427, 12212135]

約数ペア:

[(1, 12212135), (5, 2442427), (13, 939395), (65, 187879), (89, 137215), (445, 27443), (1157, 10555), (2111, 5785)]