2017739945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 2845269504

約数和(自身を除く): 827529559

約数列:

[1, 5, 13, 17, 53, 65, 85, 131, 221, 263, 265, 655, 689, 901, 1105, 1315, 1703, 2227, 3419, 3445, 4471, 4505, 6943, 8515, 11135, 11713, 13939, 17095, 22355, 28951, 34453, 34715, 58123, 58565, 69695, 90259, 118031, 144755, 172265, 181207, 236963, 290615, 447889, 451295, 585701, 590155, 906035, 1184815, 1534403, 1826009, 2239445, 2928505, 3080519, 7614113, 7672015, 9130045, 15402595, 23738117, 31042153, 38070565, 118690585, 155210765, 403547989, 2017739945]

約数ペア:

[(1, 2017739945), (5, 403547989), (13, 155210765), (17, 118690585), (53, 38070565), (65, 31042153), (85, 23738117), (131, 15402595), (221, 9130045), (263, 7672015), (265, 7614113), (655, 3080519), (689, 2928505), (901, 2239445), (1105, 1826009), (1315, 1534403), (1703, 1184815), (2227, 906035), (3419, 590155), (3445, 585701), (4471, 451295), (4505, 447889), (6943, 290615), (8515, 236963), (11135, 181207), (11713, 172265), (13939, 144755), (17095, 118031), (22355, 90259), (28951, 69695), (34453, 58565), (34715, 58123)]