25916072

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 60587520

約数和(自身を除く): 34671448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 97, 104, 182, 194, 364, 367, 388, 679, 728, 734, 776, 1261, 1358, 1468, 2522, 2569, 2716, 2936, 4771, 5044, 5138, 5432, 8827, 9542, 10088, 10276, 17654, 19084, 20552, 33397, 35308, 35599, 38168, 66794, 70616, 71198, 133588, 142396, 249193, 267176, 284792, 462787, 498386, 925574, 996772, 1851148, 1993544, 3239509, 3702296, 6479018, 12958036, 25916072]

約数ペア:

[(1, 25916072), (2, 12958036), (4, 6479018), (7, 3702296), (8, 3239509), (13, 1993544), (14, 1851148), (26, 996772), (28, 925574), (52, 498386), (56, 462787), (91, 284792), (97, 267176), (104, 249193), (182, 142396), (194, 133588), (364, 71198), (367, 70616), (388, 66794), (679, 38168), (728, 35599), (734, 35308), (776, 33397), (1261, 20552), (1358, 19084), (1468, 17654), (2522, 10276), (2569, 10088), (2716, 9542), (2936, 8827), (4771, 5432), (5044, 5138)]