256505808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{411067}}^1$

素因数の和:411091

約数の個数: 40

約数和(自身を含む): 713614048

約数和(自身を除く): 457108240

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 411067, 822134, 1233201, 1644268, 2466402, 3288536, 4932804, 5343871, 6577072, 9865608, 10687742, 16031613, 19731216, 21375484, 32063226, 42750968, 64126452, 85501936, 128252904, 256505808]

約数ペア:

[(1, 256505808), (2, 128252904), (3, 85501936), (4, 64126452), (6, 42750968), (8, 32063226), (12, 21375484), (13, 19731216), (16, 16031613), (24, 10687742), (26, 9865608), (39, 6577072), (48, 5343871), (52, 4932804), (78, 3288536), (104, 2466402), (156, 1644268), (208, 1233201), (312, 822134), (624, 411067)]