2013640648

素因数分解:

$2^3\times {\mathrm{499}}^1\times {\mathrm{509}}^1\times {\mathrm{991}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 3794400000

約数和(自身を除く): 1780759352

約数列:

[1, 2, 4, 8, 499, 509, 991, 998, 1018, 1982, 1996, 2036, 3964, 3992, 4072, 7928, 253991, 494509, 504419, 507982, 989018, 1008838, 1015964, 1978036, 2017676, 2031928, 3956072, 4035352, 251705081, 503410162, 1006820324, 2013640648]

約数ペア:

[(1, 2013640648), (2, 1006820324), (4, 503410162), (8, 251705081), (499, 4035352), (509, 3956072), (991, 2031928), (998, 2017676), (1018, 1978036), (1982, 1015964), (1996, 1008838), (2036, 989018), (3964, 507982), (3992, 504419), (4072, 494509), (7928, 253991)]