64705404

素因数分解:

$2^2\times 3^1\times {\mathrm{257}}^1\times {\mathrm{20981}}^1$

素因数の和:21245

約数の個数: 24

約数和(自身を含む): 151573968

約数和(自身を除く): 86868564

約数列:

[1, 2, 3, 4, 6, 12, 257, 514, 771, 1028, 1542, 3084, 20981, 41962, 62943, 83924, 125886, 251772, 5392117, 10784234, 16176351, 21568468, 32352702, 64705404]

約数ペア:

[(1, 64705404), (2, 32352702), (3, 21568468), (4, 16176351), (6, 10784234), (12, 5392117), (257, 251772), (514, 125886), (771, 83924), (1028, 62943), (1542, 41962), (3084, 20981)]