155315116

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{320899}}^1$

素因数の和:320925

約数の個数: 18

約数和(自身を含む): 298757900

約数和(自身を除く): 143442784

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 320899, 641798, 1283596, 3529889, 7059778, 14119556, 38828779, 77657558, 155315116]

約数ペア:

[(1, 155315116), (2, 77657558), (4, 38828779), (11, 14119556), (22, 7059778), (44, 3529889), (121, 1283596), (242, 641798), (484, 320899)]