208966465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2753}}^1$

素因数の和:2841

約数の個数: 32

約数和(自身を含む): 285534720

約数和(自身を除く): 76568255

約数列:

[1, 5, 17, 19, 47, 85, 95, 235, 323, 799, 893, 1615, 2753, 3995, 4465, 13765, 15181, 46801, 52307, 75905, 129391, 234005, 261535, 646955, 889219, 2199647, 2458429, 4446095, 10998235, 12292145, 41793293, 208966465]

約数ペア:

[(1, 208966465), (5, 41793293), (17, 12292145), (19, 10998235), (47, 4446095), (85, 2458429), (95, 2199647), (235, 889219), (323, 646955), (799, 261535), (893, 234005), (1615, 129391), (2753, 75905), (3995, 52307), (4465, 46801), (13765, 15181)]