128675456

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11047}}^1$

素因数の和:11081

約数の個数: 64

約数和(自身を含む): 315530880

約数和(自身を除く): 186855424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11047, 11648, 22094, 44188, 77329, 88376, 143611, 154658, 176752, 287222, 309316, 353504, 574444, 618632, 707008, 1005277, 1148888, 1237264, 1414016, 2010554, 2297776, 2474528, 4021108, 4595552, 4949056, 8042216, 9191104, 9898112, 16084432, 18382208, 32168864, 64337728, 128675456]

約数ペア:

[(1, 128675456), (2, 64337728), (4, 32168864), (7, 18382208), (8, 16084432), (13, 9898112), (14, 9191104), (16, 8042216), (26, 4949056), (28, 4595552), (32, 4021108), (52, 2474528), (56, 2297776), (64, 2010554), (91, 1414016), (104, 1237264), (112, 1148888), (128, 1005277), (182, 707008), (208, 618632), (224, 574444), (364, 353504), (416, 309316), (448, 287222), (728, 176752), (832, 154658), (896, 143611), (1456, 88376), (1664, 77329), (2912, 44188), (5824, 22094), (11047, 11648)]