638367314

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{881}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 1103540760

約数和(自身を除く): 465173446

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 377, 403, 754, 806, 881, 899, 961, 1762, 1798, 1922, 11453, 11687, 12493, 22906, 23374, 24986, 25549, 27311, 27869, 51098, 54622, 55738, 332137, 355043, 362297, 664274, 710086, 724594, 792019, 846641, 1584038, 1693282, 10296247, 11006333, 20592494, 22012666, 24552589, 49105178, 319183657, 638367314]

約数ペア:

[(1, 638367314), (2, 319183657), (13, 49105178), (26, 24552589), (29, 22012666), (31, 20592494), (58, 11006333), (62, 10296247), (377, 1693282), (403, 1584038), (754, 846641), (806, 792019), (881, 724594), (899, 710086), (961, 664274), (1762, 362297), (1798, 355043), (1922, 332137), (11453, 55738), (11687, 54622), (12493, 51098), (22906, 27869), (23374, 27311), (24986, 25549)]