199647575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{1019}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 262951920

約数和(自身を除く): 63304345

約数列:

[1, 5, 17, 25, 85, 425, 461, 1019, 2305, 5095, 7837, 11525, 17323, 25475, 39185, 86615, 195925, 433075, 469759, 2348795, 7985903, 11743975, 39929515, 199647575]

約数ペア:

[(1, 199647575), (5, 39929515), (17, 11743975), (25, 7985903), (85, 2348795), (425, 469759), (461, 433075), (1019, 195925), (2305, 86615), (5095, 39185), (7837, 25475), (11525, 17323)]