1808849163745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{190811}}^1$

素因数の和:191242

約数の個数: 64

約数和(自身を含む): 2589645510144

約数和(自身を除く): 780796346399

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 373, 391, 1105, 1495, 1865, 1955, 4849, 5083, 6341, 8579, 24245, 25415, 31705, 42895, 82433, 111527, 145843, 190811, 412165, 557635, 729215, 954055, 1895959, 2480543, 3243787, 4388653, 9479795, 12402715, 16218935, 21943265, 42169231, 57052489, 71172503, 74607101, 210846155, 285262445, 355862515, 373035505, 925242539, 969892313, 1209932551, 1636967569, 4626212695, 4849461565, 6049662755, 8184837845, 15729123163, 21280578397, 27828448673, 78645615815, 106402891985, 139142243365, 361769832749, 1808849163745]

約数ペア:

[(1, 1808849163745), (5, 361769832749), (13, 139142243365), (17, 106402891985), (23, 78645615815), (65, 27828448673), (85, 21280578397), (115, 15729123163), (221, 8184837845), (299, 6049662755), (373, 4849461565), (391, 4626212695), (1105, 1636967569), (1495, 1209932551), (1865, 969892313), (1955, 925242539), (4849, 373035505), (5083, 355862515), (6341, 285262445), (8579, 210846155), (24245, 74607101), (25415, 71172503), (31705, 57052489), (42895, 42169231), (82433, 21943265), (111527, 16218935), (145843, 12402715), (190811, 9479795), (412165, 4388653), (557635, 3243787), (729215, 2480543), (954055, 1895959)]