128559808

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1025

約数の個数: 56

約数和(自身を含む): 276514560

約数和(自身を除く): 147954752

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 191, 208, 382, 416, 764, 809, 832, 1528, 1618, 2483, 3056, 3236, 4966, 6112, 6472, 9932, 10517, 12224, 12944, 19864, 21034, 25888, 39728, 42068, 51776, 79456, 84136, 154519, 158912, 168272, 309038, 336544, 618076, 673088, 1236152, 2008747, 2472304, 4017494, 4944608, 8034988, 9889216, 16069976, 32139952, 64279904, 128559808]

約数ペア:

[(1, 128559808), (2, 64279904), (4, 32139952), (8, 16069976), (13, 9889216), (16, 8034988), (26, 4944608), (32, 4017494), (52, 2472304), (64, 2008747), (104, 1236152), (191, 673088), (208, 618076), (382, 336544), (416, 309038), (764, 168272), (809, 158912), (832, 154519), (1528, 84136), (1618, 79456), (2483, 51776), (3056, 42068), (3236, 39728), (4966, 25888), (6112, 21034), (6472, 19864), (9932, 12944), (10517, 12224)]