811642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 639878

約数列:

[1, 2, 13, 19, 26, 31, 38, 53, 62, 106, 247, 403, 494, 589, 689, 806, 1007, 1178, 1378, 1643, 2014, 3286, 7657, 13091, 15314, 21359, 26182, 31217, 42718, 62434, 405821, 811642]

約数ペア:

[(1, 811642), (2, 405821), (13, 62434), (19, 42718), (26, 31217), (31, 26182), (38, 21359), (53, 15314), (62, 13091), (106, 7657), (247, 3286), (403, 2014), (494, 1643), (589, 1378), (689, 1178), (806, 1007)]