209214565

素因数分解:

$5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 299692800

約数和(自身を除く): 90478235

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 343, 1505, 1715, 2107, 2837, 10535, 14185, 14749, 19859, 73745, 99295, 121991, 139013, 609955, 695065, 853937, 973091, 4269685, 4865455, 5977559, 29887795, 41842913, 209214565]

約数ペア:

[(1, 209214565), (5, 41842913), (7, 29887795), (35, 5977559), (43, 4865455), (49, 4269685), (215, 973091), (245, 853937), (301, 695065), (343, 609955), (1505, 139013), (1715, 121991), (2107, 99295), (2837, 73745), (10535, 19859), (14185, 14749)]