2215910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3199

約数の個数: 16

約数和(自身を含む): 4046112

約数和(自身を除く): 1830202

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 3121, 6242, 15605, 31210, 221591, 443182, 1107955, 2215910]

約数ペア:

[(1, 2215910), (2, 1107955), (5, 443182), (10, 221591), (71, 31210), (142, 15605), (355, 6242), (710, 3121)]