81253312

素因数分解:

$2^6\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2707}}^1$

素因数の和:2793

約数の個数: 56

約数和(自身を含む): 187090304

約数和(自身を除く): 105836992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 134, 224, 268, 448, 469, 536, 938, 1072, 1876, 2144, 2707, 3752, 4288, 5414, 7504, 10828, 15008, 18949, 21656, 30016, 37898, 43312, 75796, 86624, 151592, 173248, 181369, 303184, 362738, 606368, 725476, 1212736, 1269583, 1450952, 2539166, 2901904, 5078332, 5803808, 10156664, 11607616, 20313328, 40626656, 81253312]

約数ペア:

[(1, 81253312), (2, 40626656), (4, 20313328), (7, 11607616), (8, 10156664), (14, 5803808), (16, 5078332), (28, 2901904), (32, 2539166), (56, 1450952), (64, 1269583), (67, 1212736), (112, 725476), (134, 606368), (224, 362738), (268, 303184), (448, 181369), (469, 173248), (536, 151592), (938, 86624), (1072, 75796), (1876, 43312), (2144, 37898), (2707, 30016), (3752, 21656), (4288, 18949), (5414, 15008), (7504, 10828)]