128907766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 214008480

約数和(自身を除く): 85100714

約数列:

[1, 2, 13, 26, 53, 106, 139, 278, 673, 689, 1346, 1378, 1807, 3614, 7367, 8749, 14734, 17498, 35669, 71338, 93547, 95771, 187094, 191542, 463697, 927394, 1216111, 2432222, 4957991, 9915982, 64453883, 128907766]

約数ペア:

[(1, 128907766), (2, 64453883), (13, 9915982), (26, 4957991), (53, 2432222), (106, 1216111), (139, 927394), (278, 463697), (673, 191542), (689, 187094), (1346, 95771), (1378, 93547), (1807, 71338), (3614, 35669), (7367, 17498), (8749, 14734)]