1989968404

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{15817}}^1$

素因数の和:16335

約数の個数: 24

約数和(自身を含む): 3539688768

約数和(自身を除く): 1549720364

約数列:

[1, 2, 4, 71, 142, 284, 443, 886, 1772, 15817, 31453, 31634, 62906, 63268, 125812, 1123007, 2246014, 4492028, 7006931, 14013862, 28027724, 497492101, 994984202, 1989968404]

約数ペア:

[(1, 1989968404), (2, 994984202), (4, 497492101), (71, 28027724), (142, 14013862), (284, 7006931), (443, 4492028), (886, 2246014), (1772, 1123007), (15817, 125812), (31453, 63268), (31634, 62906)]