8538985

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 12902400

約数和(自身を除く): 4363415

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 383, 455, 637, 1715, 1915, 2681, 3185, 4459, 4979, 13405, 18767, 22295, 24895, 34853, 93835, 131369, 174265, 243971, 656845, 1219855, 1707797, 8538985]

約数ペア:

[(1, 8538985), (5, 1707797), (7, 1219855), (13, 656845), (35, 243971), (49, 174265), (65, 131369), (91, 93835), (245, 34853), (343, 24895), (383, 22295), (455, 18767), (637, 13405), (1715, 4979), (1915, 4459), (2681, 3185)]