2557256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 5255040

約数和(自身を除く): 2697784

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 367, 536, 734, 871, 1468, 1742, 2936, 3484, 4771, 6968, 9542, 19084, 24589, 38168, 49178, 98356, 196712, 319657, 639314, 1278628, 2557256]

約数ペア:

[(1, 2557256), (2, 1278628), (4, 639314), (8, 319657), (13, 196712), (26, 98356), (52, 49178), (67, 38168), (104, 24589), (134, 19084), (268, 9542), (367, 6968), (536, 4771), (734, 3484), (871, 2936), (1468, 1742)]