31720612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 69713280

約数和(自身を除く): 37992668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 181, 308, 362, 569, 724, 1138, 1267, 1991, 2276, 2534, 3982, 3983, 5068, 6259, 7964, 7966, 12518, 13937, 15932, 25036, 27874, 43813, 55748, 87626, 102989, 175252, 205978, 411956, 720923, 1132879, 1441846, 2265758, 2883692, 4531516, 7930153, 15860306, 31720612]

約数ペア:

[(1, 31720612), (2, 15860306), (4, 7930153), (7, 4531516), (11, 2883692), (14, 2265758), (22, 1441846), (28, 1132879), (44, 720923), (77, 411956), (154, 205978), (181, 175252), (308, 102989), (362, 87626), (569, 55748), (724, 43813), (1138, 27874), (1267, 25036), (1991, 15932), (2276, 13937), (2534, 12518), (3982, 7966), (3983, 7964), (5068, 6259)]