1285754028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1\times {\mathrm{1471}}^1$

素因数の和:1935

約数の個数: 72

約数和(自身を含む): 3258372096

約数和(自身を除く): 1972618068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 431, 507, 676, 862, 1014, 1293, 1471, 1724, 2028, 2586, 2942, 4413, 5172, 5603, 5884, 8826, 11206, 16809, 17652, 19123, 22412, 33618, 38246, 57369, 67236, 72839, 76492, 114738, 145678, 218517, 229476, 248599, 291356, 437034, 497198, 634001, 745797, 874068, 994396, 1268002, 1491594, 1902003, 2536004, 2983188, 3804006, 7608012, 8242013, 16484026, 24726039, 32968052, 49452078, 98904156, 107146169, 214292338, 321438507, 428584676, 642877014, 1285754028]

約数ペア:

[(1, 1285754028), (2, 642877014), (3, 428584676), (4, 321438507), (6, 214292338), (12, 107146169), (13, 98904156), (26, 49452078), (39, 32968052), (52, 24726039), (78, 16484026), (156, 8242013), (169, 7608012), (338, 3804006), (431, 2983188), (507, 2536004), (676, 1902003), (862, 1491594), (1014, 1268002), (1293, 994396), (1471, 874068), (1724, 745797), (2028, 634001), (2586, 497198), (2942, 437034), (4413, 291356), (5172, 248599), (5603, 229476), (5884, 218517), (8826, 145678), (11206, 114738), (16809, 76492), (17652, 72839), (19123, 67236), (22412, 57369), (33618, 38246)]