31581647998

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1087}}^1\times {\mathrm{1993}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 48969321984

約数和(自身を除く): 17387673986

約数列:

[1, 2, 37, 74, 197, 394, 1087, 1993, 2174, 3986, 7289, 14578, 40219, 73741, 80438, 147482, 214139, 392621, 428278, 785242, 2166391, 4332782, 7923143, 14526977, 15846286, 29053954, 80156467, 160312934, 426779027, 853558054, 15790823999, 31581647998]

約数ペア:

[(1, 31581647998), (2, 15790823999), (37, 853558054), (74, 426779027), (197, 160312934), (394, 80156467), (1087, 29053954), (1993, 15846286), (2174, 14526977), (3986, 7923143), (7289, 4332782), (14578, 2166391), (40219, 785242), (73741, 428278), (80438, 392621), (147482, 214139)]