66857140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{477551}}^1$

素因数の和:477567

約数の個数: 24

約数和(自身を含む): 160457472

約数和(自身を除く): 93600332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 477551, 955102, 1910204, 2387755, 3342857, 4775510, 6685714, 9551020, 13371428, 16714285, 33428570, 66857140]

約数ペア:

[(1, 66857140), (2, 33428570), (4, 16714285), (5, 13371428), (7, 9551020), (10, 6685714), (14, 4775510), (20, 3342857), (28, 2387755), (35, 1910204), (70, 955102), (140, 477551)]