15998156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 31679424

約数和(自身を除く): 15681268

約数列:

[1, 2, 4, 17, 23, 34, 46, 53, 68, 92, 106, 193, 212, 386, 391, 772, 782, 901, 1219, 1564, 1802, 2438, 3281, 3604, 4439, 4876, 6562, 8878, 10229, 13124, 17756, 20458, 20723, 40916, 41446, 75463, 82892, 150926, 173893, 235267, 301852, 347786, 470534, 695572, 941068, 3999539, 7999078, 15998156]

約数ペア:

[(1, 15998156), (2, 7999078), (4, 3999539), (17, 941068), (23, 695572), (34, 470534), (46, 347786), (53, 301852), (68, 235267), (92, 173893), (106, 150926), (193, 82892), (212, 75463), (386, 41446), (391, 40916), (772, 20723), (782, 20458), (901, 17756), (1219, 13124), (1564, 10229), (1802, 8878), (2438, 6562), (3281, 4876), (3604, 4439)]