131428570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{144427}}^1$

素因数の和:144454

約数の個数: 32

約数和(自身を含む): 291166848

約数和(自身を除く): 159738278

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 144427, 288854, 722135, 1010989, 1444270, 1877551, 2021978, 3755102, 5054945, 9387755, 10109890, 13142857, 18775510, 26285714, 65714285, 131428570]

約数ペア:

[(1, 131428570), (2, 65714285), (5, 26285714), (7, 18775510), (10, 13142857), (13, 10109890), (14, 9387755), (26, 5054945), (35, 3755102), (65, 2021978), (70, 1877551), (91, 1444270), (130, 1010989), (182, 722135), (455, 288854), (910, 144427)]