128684528

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 293314560

約数和(自身を除く): 164630032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 109, 112, 127, 166, 218, 254, 332, 436, 508, 581, 664, 763, 872, 889, 1016, 1162, 1328, 1526, 1744, 1778, 2032, 2324, 3052, 3556, 4648, 6104, 7112, 9047, 9296, 10541, 12208, 13843, 14224, 18094, 21082, 27686, 36188, 42164, 55372, 63329, 72376, 73787, 84328, 96901, 110744, 126658, 144752, 147574, 168656, 193802, 221488, 253316, 295148, 387604, 506632, 590296, 775208, 1013264, 1148969, 1180592, 1550416, 2297938, 4595876, 8042783, 9191752, 16085566, 18383504, 32171132, 64342264, 128684528]

約数ペア:

[(1, 128684528), (2, 64342264), (4, 32171132), (7, 18383504), (8, 16085566), (14, 9191752), (16, 8042783), (28, 4595876), (56, 2297938), (83, 1550416), (109, 1180592), (112, 1148969), (127, 1013264), (166, 775208), (218, 590296), (254, 506632), (332, 387604), (436, 295148), (508, 253316), (581, 221488), (664, 193802), (763, 168656), (872, 147574), (889, 144752), (1016, 126658), (1162, 110744), (1328, 96901), (1526, 84328), (1744, 73787), (1778, 72376), (2032, 63329), (2324, 55372), (3052, 42164), (3556, 36188), (4648, 27686), (6104, 21082), (7112, 18094), (9047, 14224), (9296, 13843), (10541, 12208)]