15705910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2100

約数の個数: 32

約数和(自身を含む): 31290624

約数和(自身を除く): 15584714

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2011, 3905, 4022, 7810, 10055, 20110, 22121, 44242, 110605, 142781, 221210, 285562, 713905, 1427810, 1570591, 3141182, 7852955, 15705910]

約数ペア:

[(1, 15705910), (2, 7852955), (5, 3141182), (10, 1570591), (11, 1427810), (22, 713905), (55, 285562), (71, 221210), (110, 142781), (142, 110605), (355, 44242), (710, 22121), (781, 20110), (1562, 10055), (2011, 7810), (3905, 4022)]