128796156

素因数分解:

$2^2\times 3^4\times {\mathrm{397519}}^1$

素因数の和:397535

約数の個数: 30

約数和(自身を含む): 336699440

約数和(自身を除く): 207903284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 397519, 795038, 1192557, 1590076, 2385114, 3577671, 4770228, 7155342, 10733013, 14310684, 21466026, 32199039, 42932052, 64398078, 128796156]

約数ペア:

[(1, 128796156), (2, 64398078), (3, 42932052), (4, 32199039), (6, 21466026), (9, 14310684), (12, 10733013), (18, 7155342), (27, 4770228), (36, 3577671), (54, 2385114), (81, 1590076), (108, 1192557), (162, 795038), (324, 397519)]