221131278

素因数分解:

$2^1\times 3^2\times {\mathrm{1409}}^1\times {\mathrm{8719}}^1$

素因数の和:10136

約数の個数: 24

約数和(自身を含む): 479512800

約数和(自身を除く): 258381522

約数列:

[1, 2, 3, 6, 9, 18, 1409, 2818, 4227, 8454, 8719, 12681, 17438, 25362, 26157, 52314, 78471, 156942, 12285071, 24570142, 36855213, 73710426, 110565639, 221131278]

約数ペア:

[(1, 221131278), (2, 110565639), (3, 73710426), (6, 36855213), (9, 24570142), (18, 12285071), (1409, 156942), (2818, 78471), (4227, 52314), (8454, 26157), (8719, 25362), (12681, 17438)]