1661980678

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1\times {\mathrm{19333}}^1$

素因数の和:20199

約数の個数: 16

約数和(自身を含む): 2543271696

約数和(自身を除く): 881291018

約数列:

[1, 2, 53, 106, 811, 1622, 19333, 38666, 42983, 85966, 1024649, 2049298, 15679063, 31358126, 830990339, 1661980678]

約数ペア:

[(1, 1661980678), (2, 830990339), (53, 31358126), (106, 15679063), (811, 2049298), (1622, 1024649), (19333, 85966), (38666, 42983)]