81430558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{19379}}^1$

素因数の和:19583

約数の個数: 16

約数和(自身を含む): 133954560

約数和(自身を除く): 52524002

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 19379, 38758, 213169, 426338, 3701389, 7402778, 40715279, 81430558]

約数ペア:

[(1, 81430558), (2, 40715279), (11, 7402778), (22, 3701389), (191, 426338), (382, 213169), (2101, 38758), (4202, 19379)]