1020656

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:729

約数の個数: 40

約数和(自身を含む): 2437344

約数和(自身を除く): 1416688

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 701, 728, 1402, 1456, 2804, 4907, 5608, 9113, 9814, 11216, 18226, 19628, 36452, 39256, 63791, 72904, 78512, 127582, 145808, 255164, 510328, 1020656]

約数ペア:

[(1, 1020656), (2, 510328), (4, 255164), (7, 145808), (8, 127582), (13, 78512), (14, 72904), (16, 63791), (26, 39256), (28, 36452), (52, 19628), (56, 18226), (91, 11216), (104, 9814), (112, 9113), (182, 5608), (208, 4907), (364, 2804), (701, 1456), (728, 1402)]