161569121

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 200640000

約数和(自身を除く): 39070879

約数列:

[1, 7, 29, 37, 49, 203, 259, 343, 439, 1073, 1421, 1813, 3073, 7511, 9947, 12691, 12731, 16243, 21511, 52577, 89117, 113701, 150577, 368039, 471047, 623819, 795907, 3297329, 4366733, 5571349, 23081303, 161569121]

約数ペア:

[(1, 161569121), (7, 23081303), (29, 5571349), (37, 4366733), (49, 3297329), (203, 795907), (259, 623819), (343, 471047), (439, 368039), (1073, 150577), (1421, 113701), (1813, 89117), (3073, 52577), (7511, 21511), (9947, 16243), (12691, 12731)]