17780758

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 10959338

約数列:

[1, 2, 43, 47, 53, 83, 86, 94, 106, 166, 2021, 2279, 2491, 3569, 3901, 4042, 4399, 4558, 4982, 7138, 7802, 8798, 107113, 167743, 189157, 206753, 214226, 335486, 378314, 413506, 8890379, 17780758]

約数ペア:

[(1, 17780758), (2, 8890379), (43, 413506), (47, 378314), (53, 335486), (83, 214226), (86, 206753), (94, 189157), (106, 167743), (166, 107113), (2021, 8798), (2279, 7802), (2491, 7138), (3569, 4982), (3901, 4558), (4042, 4399)]