123126872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 259200000

約数和(自身を除く): 136073128

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 89, 158, 178, 199, 316, 356, 398, 632, 712, 796, 869, 979, 1592, 1738, 1958, 2189, 3476, 3916, 4378, 6952, 7031, 7832, 8756, 14062, 15721, 17512, 17711, 28124, 31442, 35422, 56248, 62884, 70844, 77341, 125768, 141688, 154682, 172931, 194821, 309364, 345862, 389642, 618728, 691724, 779284, 1383448, 1399169, 1558568, 2798338, 5596676, 11193352, 15390859, 30781718, 61563436, 123126872]

約数ペア:

[(1, 123126872), (2, 61563436), (4, 30781718), (8, 15390859), (11, 11193352), (22, 5596676), (44, 2798338), (79, 1558568), (88, 1399169), (89, 1383448), (158, 779284), (178, 691724), (199, 618728), (316, 389642), (356, 345862), (398, 309364), (632, 194821), (712, 172931), (796, 154682), (869, 141688), (979, 125768), (1592, 77341), (1738, 70844), (1958, 62884), (2189, 56248), (3476, 35422), (3916, 31442), (4378, 28124), (6952, 17711), (7031, 17512), (7832, 15721), (8756, 14062)]