66845264

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{68489}}^1$

素因数の和:68558

約数の個数: 20

約数和(自身を含む): 131637780

約数和(自身を除く): 64792516

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 68489, 136978, 273956, 547912, 1095824, 4177829, 8355658, 16711316, 33422632, 66845264]

約数ペア:

[(1, 66845264), (2, 33422632), (4, 16711316), (8, 8355658), (16, 4177829), (61, 1095824), (122, 547912), (244, 273956), (488, 136978), (976, 68489)]