1290807112

素因数分解:

$2^3\times 7^1\times {\mathrm{2503}}^1\times {\mathrm{9209}}^1$

素因数の和:11725

約数の個数: 32

約数和(自身を含む): 2767420800

約数和(自身を除く): 1476613688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2503, 5006, 9209, 10012, 17521, 18418, 20024, 35042, 36836, 64463, 70084, 73672, 128926, 140168, 257852, 515704, 23050127, 46100254, 92200508, 161350889, 184401016, 322701778, 645403556, 1290807112]

約数ペア:

[(1, 1290807112), (2, 645403556), (4, 322701778), (7, 184401016), (8, 161350889), (14, 92200508), (28, 46100254), (56, 23050127), (2503, 515704), (5006, 257852), (9209, 140168), (10012, 128926), (17521, 73672), (18418, 70084), (20024, 64463), (35042, 36836)]