16890656

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 35857080

約数和(自身を除く): 18966424

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 509, 544, 976, 1018, 1037, 1952, 2036, 2074, 4072, 4148, 8144, 8296, 8653, 16288, 16592, 17306, 31049, 33184, 34612, 62098, 69224, 124196, 138448, 248392, 276896, 496784, 527833, 993568, 1055666, 2111332, 4222664, 8445328, 16890656]

約数ペア:

[(1, 16890656), (2, 8445328), (4, 4222664), (8, 2111332), (16, 1055666), (17, 993568), (32, 527833), (34, 496784), (61, 276896), (68, 248392), (122, 138448), (136, 124196), (244, 69224), (272, 62098), (488, 34612), (509, 33184), (544, 31049), (976, 17306), (1018, 16592), (1037, 16288), (1952, 8653), (2036, 8296), (2074, 8144), (4072, 4148)]