159996515

素因数分解:

$5^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{1283}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 223955280

約数和(自身を除く): 63958765

約数列:

[1, 5, 7, 35, 49, 245, 509, 1283, 2545, 3563, 6415, 8981, 17815, 24941, 44905, 62867, 124705, 314335, 653047, 3265235, 4571329, 22856645, 31999303, 159996515]

約数ペア:

[(1, 159996515), (5, 31999303), (7, 22856645), (35, 4571329), (49, 3265235), (245, 653047), (509, 314335), (1283, 124705), (2545, 62867), (3563, 44905), (6415, 24941), (8981, 17815)]