321319906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 516096000

約数和(自身を除く): 194776094

約数列:

[1, 2, 19, 38, 127, 139, 254, 278, 479, 958, 2413, 2641, 4826, 5282, 9101, 17653, 18202, 35306, 60833, 66581, 121666, 133162, 335407, 670814, 1155827, 1265039, 2311654, 2530078, 8455787, 16911574, 160659953, 321319906]

約数ペア:

[(1, 321319906), (2, 160659953), (19, 16911574), (38, 8455787), (127, 2530078), (139, 2311654), (254, 1265039), (278, 1155827), (479, 670814), (958, 335407), (2413, 133162), (2641, 121666), (4826, 66581), (5282, 60833), (9101, 35306), (17653, 18202)]