20161180638655

素因数分解:

$5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{229221541}}^1$

素因数の和:229221919

約数の個数: 24

約数和(自身を含む): 28221756251040

約数和(自身を除く): 8060575612385

約数列:

[1, 5, 7, 35, 49, 245, 359, 1795, 2513, 12565, 17591, 87955, 229221541, 1146107705, 1604550787, 8022753935, 11231855509, 56159277545, 82290533219, 411452666095, 576033732533, 2880168662665, 4032236127731, 20161180638655]

約数ペア:

[(1, 20161180638655), (5, 4032236127731), (7, 2880168662665), (35, 576033732533), (49, 411452666095), (245, 82290533219), (359, 56159277545), (1795, 11231855509), (2513, 8022753935), (12565, 1604550787), (17591, 1146107705), (87955, 229221541)]