31277872

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:581

約数の個数: 40

約数和(自身を含む): 62580320

約数和(自身を除く): 31302448

約数列:

[1, 2, 4, 8, 16, 61, 73, 122, 146, 244, 292, 439, 488, 584, 878, 976, 1168, 1756, 3512, 4453, 7024, 8906, 17812, 26779, 32047, 35624, 53558, 64094, 71248, 107116, 128188, 214232, 256376, 428464, 512752, 1954867, 3909734, 7819468, 15638936, 31277872]

約数ペア:

[(1, 31277872), (2, 15638936), (4, 7819468), (8, 3909734), (16, 1954867), (61, 512752), (73, 428464), (122, 256376), (146, 214232), (244, 128188), (292, 107116), (439, 71248), (488, 64094), (584, 53558), (878, 35624), (976, 32047), (1168, 26779), (1756, 17812), (3512, 8906), (4453, 7024)]