66805492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21061}}^1$

素因数の和:21139

約数の個数: 24

約数和(自身を含む): 127972712

約数和(自身を除く): 61167220

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 21061, 42122, 84244, 273793, 547586, 1095172, 1284721, 2569442, 5138884, 16701373, 33402746, 66805492]

約数ペア:

[(1, 66805492), (2, 33402746), (4, 16701373), (13, 5138884), (26, 2569442), (52, 1284721), (61, 1095172), (122, 547586), (244, 273793), (793, 84244), (1586, 42122), (3172, 21061)]