291238870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2240299}}^1$

素因数の和:2240319

約数の個数: 16

約数和(自身を含む): 564555600

約数和(自身を除く): 273316730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2240299, 4480598, 11201495, 22402990, 29123887, 58247774, 145619435, 291238870]

約数ペア:

[(1, 291238870), (2, 145619435), (5, 58247774), (10, 29123887), (13, 22402990), (26, 11201495), (65, 4480598), (130, 2240299)]