205320968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{20681}}^1$

素因数の和:20777

約数の個数: 32

約数和(自身を含む): 413226360

約数和(自身を除く): 207905392

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 584, 1241, 2482, 4964, 9928, 20681, 41362, 82724, 165448, 351577, 703154, 1406308, 1509713, 2812616, 3019426, 6038852, 12077704, 25665121, 51330242, 102660484, 205320968]

約数ペア:

[(1, 205320968), (2, 102660484), (4, 51330242), (8, 25665121), (17, 12077704), (34, 6038852), (68, 3019426), (73, 2812616), (136, 1509713), (146, 1406308), (292, 703154), (584, 351577), (1241, 165448), (2482, 82724), (4964, 41362), (9928, 20681)]