1215808

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 42

約数和(自身を含む): 2668778

約数和(自身を除く): 1452970

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 157, 176, 242, 314, 352, 484, 628, 704, 968, 1256, 1727, 1936, 2512, 3454, 3872, 5024, 6908, 7744, 10048, 13816, 18997, 27632, 37994, 55264, 75988, 110528, 151976, 303952, 607904, 1215808]

約数ペア:

[(1, 1215808), (2, 607904), (4, 303952), (8, 151976), (11, 110528), (16, 75988), (22, 55264), (32, 37994), (44, 27632), (64, 18997), (88, 13816), (121, 10048), (157, 7744), (176, 6908), (242, 5024), (314, 3872), (352, 3454), (484, 2512), (628, 1936), (704, 1727), (968, 1256)]