1990302587

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{5653}}^1$

素因数の和:5799

約数の個数: 32

約数和(自身を含む): 2530459008

約数和(自身を除く): 540156421

約数列:

[1, 7, 13, 53, 73, 91, 371, 511, 689, 949, 3869, 4823, 5653, 6643, 27083, 39571, 50297, 73489, 299609, 352079, 412669, 514423, 2097263, 2888683, 3894917, 5364697, 21871457, 27264419, 37552879, 153100199, 284328941, 1990302587]

約数ペア:

[(1, 1990302587), (7, 284328941), (13, 153100199), (53, 37552879), (73, 27264419), (91, 21871457), (371, 5364697), (511, 3894917), (689, 2888683), (949, 2097263), (3869, 514423), (4823, 412669), (5653, 352079), (6643, 299609), (27083, 73489), (39571, 50297)]