129221628

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{77471}}^1$

素因数の和:77617

約数の個数: 24

約数和(自身を含む): 303690240

約数和(自身を除く): 174468612

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 77471, 154942, 232413, 309884, 464826, 929652, 10768469, 21536938, 32305407, 43073876, 64610814, 129221628]

約数ペア:

[(1, 129221628), (2, 64610814), (3, 43073876), (4, 32305407), (6, 21536938), (12, 10768469), (139, 929652), (278, 464826), (417, 309884), (556, 232413), (834, 154942), (1668, 77471)]