261799996

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{19267}}^1$

素因数の和:19393

約数の個数: 24

約数和(自身を含む): 474763520

約数和(自身を除く): 212963524

約数列:

[1, 2, 4, 43, 79, 86, 158, 172, 316, 3397, 6794, 13588, 19267, 38534, 77068, 828481, 1522093, 1656962, 3044186, 3313924, 6088372, 65449999, 130899998, 261799996]

約数ペア:

[(1, 261799996), (2, 130899998), (4, 65449999), (43, 6088372), (79, 3313924), (86, 3044186), (158, 1656962), (172, 1522093), (316, 828481), (3397, 77068), (6794, 38534), (13588, 19267)]