128928415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{619}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 193559040

約数和(自身を除く): 64630625

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 541, 619, 2705, 3095, 3787, 4333, 5951, 6809, 18935, 21665, 29755, 34045, 41657, 47663, 208285, 238315, 334879, 1674395, 2344153, 3683669, 11720765, 18418345, 25785683, 128928415]

約数ペア:

[(1, 128928415), (5, 25785683), (7, 18418345), (11, 11720765), (35, 3683669), (55, 2344153), (77, 1674395), (385, 334879), (541, 238315), (619, 208285), (2705, 47663), (3095, 41657), (3787, 34045), (4333, 29755), (5951, 21665), (6809, 18935)]