163351972

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 334430208

約数和(自身を除く): 171078236

約数列:

[1, 2, 4, 7, 14, 28, 71, 127, 142, 254, 284, 497, 508, 647, 889, 994, 1294, 1778, 1988, 2588, 3556, 4529, 9017, 9058, 18034, 18116, 36068, 45937, 63119, 82169, 91874, 126238, 164338, 183748, 252476, 321559, 328676, 575183, 643118, 1150366, 1286236, 2300732, 5833999, 11667998, 23335996, 40837993, 81675986, 163351972]

約数ペア:

[(1, 163351972), (2, 81675986), (4, 40837993), (7, 23335996), (14, 11667998), (28, 5833999), (71, 2300732), (127, 1286236), (142, 1150366), (254, 643118), (284, 575183), (497, 328676), (508, 321559), (647, 252476), (889, 183748), (994, 164338), (1294, 126238), (1778, 91874), (1988, 82169), (2588, 63119), (3556, 45937), (4529, 36068), (9017, 18116), (9058, 18034)]