1816724

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 4290048

約数和(自身を除く): 2473324

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 31, 46, 49, 52, 62, 91, 92, 98, 124, 161, 182, 196, 217, 299, 322, 364, 403, 434, 598, 637, 644, 713, 806, 868, 1127, 1196, 1274, 1426, 1519, 1612, 2093, 2254, 2548, 2821, 2852, 3038, 4186, 4508, 4991, 5642, 6076, 8372, 9269, 9982, 11284, 14651, 18538, 19747, 19964, 29302, 34937, 37076, 39494, 58604, 64883, 69874, 78988, 129766, 139748, 259532, 454181, 908362, 1816724]

約数ペア:

[(1, 1816724), (2, 908362), (4, 454181), (7, 259532), (13, 139748), (14, 129766), (23, 78988), (26, 69874), (28, 64883), (31, 58604), (46, 39494), (49, 37076), (52, 34937), (62, 29302), (91, 19964), (92, 19747), (98, 18538), (124, 14651), (161, 11284), (182, 9982), (196, 9269), (217, 8372), (299, 6076), (322, 5642), (364, 4991), (403, 4508), (434, 4186), (598, 3038), (637, 2852), (644, 2821), (713, 2548), (806, 2254), (868, 2093), (1127, 1612), (1196, 1519), (1274, 1426)]