1853737353215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{17783}}^1\times {\mathrm{4007}}^1$

素因数の和:21860

約数の個数: 48

約数和(自身を含む): 2502722686464

約数和(自身を除く): 648985333249

約数列:

[1, 5, 11, 43, 55, 121, 215, 473, 605, 2365, 4007, 5203, 17783, 20035, 26015, 44077, 88915, 172301, 195613, 220385, 484847, 764669, 861505, 978065, 1895311, 2151743, 2424235, 3823345, 8411359, 9476555, 10758715, 20848421, 42056795, 71256481, 92524949, 104242105, 356282405, 462624745, 783821291, 3064028683, 3919106455, 8622034201, 15320143415, 33704315513, 43110171005, 168521577565, 370747470643, 1853737353215]

約数ペア:

[(1, 1853737353215), (5, 370747470643), (11, 168521577565), (43, 43110171005), (55, 33704315513), (121, 15320143415), (215, 8622034201), (473, 3919106455), (605, 3064028683), (2365, 783821291), (4007, 462624745), (5203, 356282405), (17783, 104242105), (20035, 92524949), (26015, 71256481), (44077, 42056795), (88915, 20848421), (172301, 10758715), (195613, 9476555), (220385, 8411359), (484847, 3823345), (764669, 2424235), (861505, 2151743), (978065, 1895311)]