128328956

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{55219}}^1$

素因数の和:55313

約数の個数: 24

約数和(自身を含む): 259754880

約数和(自身を除く): 131425924

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 55219, 110438, 220876, 386533, 773066, 1546132, 4583177, 9166354, 18332708, 32082239, 64164478, 128328956]

約数ペア:

[(1, 128328956), (2, 64164478), (4, 32082239), (7, 18332708), (14, 9166354), (28, 4583177), (83, 1546132), (166, 773066), (332, 386533), (581, 220876), (1162, 110438), (2324, 55219)]