87644336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1997}}^1$

素因数の和:2229

約数の個数: 40

約数和(自身を含む): 183831984

約数和(自身を除く): 96187648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 1688, 1997, 2743, 3376, 3994, 5486, 7988, 10972, 15976, 21944, 25961, 31952, 43888, 51922, 103844, 207688, 415376, 421367, 842734, 1685468, 3370936, 5477771, 6741872, 10955542, 21911084, 43822168, 87644336]

約数ペア:

[(1, 87644336), (2, 43822168), (4, 21911084), (8, 10955542), (13, 6741872), (16, 5477771), (26, 3370936), (52, 1685468), (104, 842734), (208, 421367), (211, 415376), (422, 207688), (844, 103844), (1688, 51922), (1997, 43888), (2743, 31952), (3376, 25961), (3994, 21944), (5486, 15976), (7988, 10972)]