987686608

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{62417}}^1$

素因数の和:62491

約数の個数: 40

約数和(自身を含む): 2043315648

約数和(自身を除く): 1055629040

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 15824, 62417, 124834, 249668, 499336, 998672, 1435591, 2683931, 2871182, 5367862, 5742364, 10735724, 11484728, 21471448, 22969456, 42942896, 61730413, 123460826, 246921652, 493843304, 987686608]

約数ペア:

[(1, 987686608), (2, 493843304), (4, 246921652), (8, 123460826), (16, 61730413), (23, 42942896), (43, 22969456), (46, 21471448), (86, 11484728), (92, 10735724), (172, 5742364), (184, 5367862), (344, 2871182), (368, 2683931), (688, 1435591), (989, 998672), (1978, 499336), (3956, 249668), (7912, 124834), (15824, 62417)]