128460416

素因数分解:

$2^7\times 7^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 294053760

約数和(自身を除く): 165593344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 311, 448, 461, 622, 896, 922, 1244, 1844, 2177, 2488, 3227, 3688, 4354, 4976, 6454, 7376, 8708, 9952, 12908, 14752, 17416, 19904, 25816, 29504, 34832, 39808, 51632, 59008, 69664, 103264, 139328, 143371, 206528, 278656, 286742, 413056, 573484, 1003597, 1146968, 2007194, 2293936, 4014388, 4587872, 8028776, 9175744, 16057552, 18351488, 32115104, 64230208, 128460416]

約数ペア:

[(1, 128460416), (2, 64230208), (4, 32115104), (7, 18351488), (8, 16057552), (14, 9175744), (16, 8028776), (28, 4587872), (32, 4014388), (56, 2293936), (64, 2007194), (112, 1146968), (128, 1003597), (224, 573484), (311, 413056), (448, 286742), (461, 278656), (622, 206528), (896, 143371), (922, 139328), (1244, 103264), (1844, 69664), (2177, 59008), (2488, 51632), (3227, 39808), (3688, 34832), (4354, 29504), (4976, 25816), (6454, 19904), (7376, 17416), (8708, 14752), (9952, 12908)]