161917888

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1811}}^1$

素因数の和:1961

約数の個数: 56

約数和(自身を含む): 353470464

約数和(自身を除く): 191552576

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 127, 176, 254, 352, 508, 704, 1016, 1397, 1811, 2032, 2794, 3622, 4064, 5588, 7244, 8128, 11176, 14488, 19921, 22352, 28976, 39842, 44704, 57952, 79684, 89408, 115904, 159368, 229997, 318736, 459994, 637472, 919988, 1274944, 1839976, 2529967, 3679952, 5059934, 7359904, 10119868, 14719808, 20239736, 40479472, 80958944, 161917888]

約数ペア:

[(1, 161917888), (2, 80958944), (4, 40479472), (8, 20239736), (11, 14719808), (16, 10119868), (22, 7359904), (32, 5059934), (44, 3679952), (64, 2529967), (88, 1839976), (127, 1274944), (176, 919988), (254, 637472), (352, 459994), (508, 318736), (704, 229997), (1016, 159368), (1397, 115904), (1811, 89408), (2032, 79684), (2794, 57952), (3622, 44704), (4064, 39842), (5588, 28976), (7244, 22352), (8128, 19921), (11176, 14488)]