220156578

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{19081}}^1$

素因数の和:19730

約数の個数: 24

約数和(自身を含む): 477775116

約数和(自身を除く): 257618538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1923, 3846, 5769, 11538, 19081, 38162, 57243, 114486, 171729, 343458, 12230921, 24461842, 36692763, 73385526, 110078289, 220156578]

約数ペア:

[(1, 220156578), (2, 110078289), (3, 73385526), (6, 36692763), (9, 24461842), (18, 12230921), (641, 343458), (1282, 171729), (1923, 114486), (3846, 57243), (5769, 38162), (11538, 19081)]