81306835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2459}}^1$

素因数の和:2870

約数の個数: 16

約数和(自身を含む): 103615200

約数和(自身を除く): 22308365

約数列:

[1, 5, 17, 85, 389, 1945, 2459, 6613, 12295, 33065, 41803, 209015, 956551, 4782755, 16261367, 81306835]

約数ペア:

[(1, 81306835), (5, 16261367), (17, 4782755), (85, 956551), (389, 209015), (1945, 41803), (2459, 33065), (6613, 12295)]