199429975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{15137}}^1$

素因数の和:15195

約数の個数: 24

約数和(自身を含む): 270304128

約数和(自身を除く): 70874153

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 2635, 13175, 15137, 75685, 257329, 378425, 469247, 1286645, 2346235, 6433225, 7977199, 11731175, 39885995, 199429975]

約数ペア:

[(1, 199429975), (5, 39885995), (17, 11731175), (25, 7977199), (31, 6433225), (85, 2346235), (155, 1286645), (425, 469247), (527, 378425), (775, 257329), (2635, 75685), (13175, 15137)]