28261922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 49496832

約数和(自身を除く): 21234910

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 1118, 1462, 1487, 2974, 9503, 19006, 19331, 25279, 38662, 50558, 63941, 127882, 328627, 657254, 831233, 1086997, 1662466, 2173994, 14130961, 28261922]

約数ペア:

[(1, 28261922), (2, 14130961), (13, 2173994), (17, 1662466), (26, 1086997), (34, 831233), (43, 657254), (86, 328627), (221, 127882), (442, 63941), (559, 50558), (731, 38662), (1118, 25279), (1462, 19331), (1487, 19006), (2974, 9503)]