2451955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 3247200

約数和(自身を除く): 795245

約数列:

[1, 5, 11, 55, 109, 409, 545, 1199, 2045, 4499, 5995, 22495, 44581, 222905, 490391, 2451955]

約数ペア:

[(1, 2451955), (5, 490391), (11, 222905), (55, 44581), (109, 22495), (409, 5995), (545, 4499), (1199, 2045)]