2920921486

素因数分解:

$2^1\times 7^1\times {\mathrm{9803}}^1\times {\mathrm{21283}}^1$

素因数の和:31095

約数の個数: 16

約数和(自身を含む): 5008040064

約数和(自身を除く): 2087118578

約数列:

[1, 2, 7, 14, 9803, 19606, 21283, 42566, 68621, 137242, 148981, 297962, 208637249, 417274498, 1460460743, 2920921486]

約数ペア:

[(1, 2920921486), (2, 1460460743), (7, 417274498), (14, 208637249), (9803, 297962), (19606, 148981), (21283, 137242), (42566, 68621)]