420898918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2357}}^1\times {\mathrm{8117}}^1$

素因数の和:10487

約数の個数: 16

約数和(自身を含む): 689120784

約数和(自身を除く): 268221866

約数列:

[1, 2, 11, 22, 2357, 4714, 8117, 16234, 25927, 51854, 89287, 178574, 19131769, 38263538, 210449459, 420898918]

約数ペア:

[(1, 420898918), (2, 210449459), (11, 38263538), (22, 19131769), (2357, 178574), (4714, 89287), (8117, 51854), (16234, 25927)]