201211272610

素因数分解:

$2^1\times 5^1\times {\mathrm{21991}}^1\times {\mathrm{914971}}^1$

素因数の和:936969

約数の個数: 16

約数和(自身を含む): 362197156032

約数和(自身を除く): 160985883422

約数列:

[1, 2, 5, 10, 21991, 43982, 109955, 219910, 914971, 1829942, 4574855, 9149710, 20121127261, 40242254522, 100605636305, 201211272610]

約数ペア:

[(1, 201211272610), (2, 100605636305), (5, 40242254522), (10, 20121127261), (21991, 9149710), (43982, 4574855), (109955, 1829942), (219910, 914971)]