221821326

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{47951}}^1$

素因数の和:48216

約数の個数: 24

約数和(自身を含む): 482493024

約数和(自身を除く): 260671698

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4626, 47951, 95902, 143853, 287706, 431559, 863118, 12323407, 24646814, 36970221, 73940442, 110910663, 221821326]

約数ペア:

[(1, 221821326), (2, 110910663), (3, 73940442), (6, 36970221), (9, 24646814), (18, 12323407), (257, 863118), (514, 431559), (771, 287706), (1542, 143853), (2313, 95902), (4626, 47951)]