1405942010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12781291}}^1$

素因数の和:12781309

約数の個数: 16

約数和(自身を含む): 2760759072

約数和(自身を除く): 1354817062

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 12781291, 25562582, 63906455, 127812910, 140594201, 281188402, 702971005, 1405942010]

約数ペア:

[(1, 1405942010), (2, 702971005), (5, 281188402), (10, 140594201), (11, 127812910), (22, 63906455), (55, 25562582), (110, 12781291)]