128224369

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{74161}}^1$

素因数の和:74200

約数の個数: 16

約数和(自身を含む): 166122880

約数和(自身を除く): 37898511

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 74161, 519127, 964093, 1409059, 6748651, 9863413, 18317767, 128224369]

約数ペア:

[(1, 128224369), (7, 18317767), (13, 9863413), (19, 6748651), (91, 1409059), (133, 964093), (247, 519127), (1729, 74161)]