42131272

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{128449}}^1$

素因数の和:128496

約数の個数: 16

約数和(自身を含む): 80923500

約数和(自身を除く): 38792228

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 128449, 256898, 513796, 1027592, 5266409, 10532818, 21065636, 42131272]

約数ペア:

[(1, 42131272), (2, 21065636), (4, 10532818), (8, 5266409), (41, 1027592), (82, 513796), (164, 256898), (328, 128449)]