28121609999

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{112459}}^1$

素因数の和:112862

約数の個数: 16

約数和(自身を含む): 32496441600

約数和(自身を除く): 4374831601

約数列:

[1, 7, 139, 257, 973, 1799, 35723, 112459, 250061, 787213, 15631801, 28901963, 109422607, 202313741, 4017372857, 28121609999]

約数ペア:

[(1, 28121609999), (7, 4017372857), (139, 202313741), (257, 109422607), (973, 28901963), (1799, 15631801), (35723, 787213), (112459, 250061)]