278399551287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{631889}}^1$

素因数の和:632008

約数の個数: 48

約数和(自身を含む): 444041740800

約数和(自身を除く): 165642189513

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 169, 237, 429, 507, 869, 1027, 1859, 2607, 3081, 5577, 11297, 13351, 33891, 40053, 146861, 440583, 631889, 1895667, 6950779, 8214557, 20852337, 24643671, 49919231, 90360127, 106789241, 149757693, 271080381, 320367723, 549111541, 648950003, 1174681651, 1647334623, 1946850009, 3524044953, 7138450033, 8436350039, 21415350099, 25309050117, 92799850429, 278399551287]

約数ペア:

[(1, 278399551287), (3, 92799850429), (11, 25309050117), (13, 21415350099), (33, 8436350039), (39, 7138450033), (79, 3524044953), (143, 1946850009), (169, 1647334623), (237, 1174681651), (429, 648950003), (507, 549111541), (869, 320367723), (1027, 271080381), (1859, 149757693), (2607, 106789241), (3081, 90360127), (5577, 49919231), (11297, 24643671), (13351, 20852337), (33891, 8214557), (40053, 6950779), (146861, 1895667), (440583, 631889)]