128935454

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{2693}}^1$

素因数の和:3379

約数の個数: 16

約数和(自身を含む): 199011168

約数和(自身を除く): 70075714

約数列:

[1, 2, 37, 74, 647, 1294, 2693, 5386, 23939, 47878, 99641, 199282, 1742371, 3484742, 64467727, 128935454]

約数ペア:

[(1, 128935454), (2, 64467727), (37, 3484742), (74, 1742371), (647, 199282), (1294, 99641), (2693, 47878), (5386, 23939)]