201564976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{406381}}^1$

素因数の和:406420

約数の個数: 20

約数和(自身を含む): 403130944

約数和(自身を除く): 201565968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 406381, 812762, 1625524, 3251048, 6502096, 12597811, 25195622, 50391244, 100782488, 201564976]

約数ペア:

[(1, 201564976), (2, 100782488), (4, 50391244), (8, 25195622), (16, 12597811), (31, 6502096), (62, 3251048), (124, 1625524), (248, 812762), (496, 406381)]