205583702990

素因数分解:

$2^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{21172369}}^1$

素因数の和:21173347

約数の個数: 16

約数和(自身を含む): 370431785520

約数和(自身を除く): 164848082530

約数列:

[1, 2, 5, 10, 971, 1942, 4855, 9710, 21172369, 42344738, 105861845, 211723690, 20558370299, 41116740598, 102791851495, 205583702990]

約数ペア:

[(1, 205583702990), (2, 102791851495), (5, 41116740598), (10, 20558370299), (971, 211723690), (1942, 105861845), (4855, 42344738), (9710, 21172369)]