398838133226

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{349}}^1\times {\mathrm{29921}}^1$

素因数の和:30411

約数の個数: 48

約数和(自身を含む): 655444402200

約数和(自身を除く): 256606268974

約数列:

[1, 2, 13, 26, 113, 169, 226, 338, 349, 698, 1469, 2938, 4537, 9074, 19097, 29921, 38194, 39437, 58981, 59842, 78874, 117962, 388973, 512681, 777946, 1025362, 3381073, 5056649, 6664853, 6762146, 10113298, 10442429, 13329706, 20884858, 43953949, 87907898, 135751577, 271503154, 571401337, 1142802674, 1179994477, 1764770501, 2359988954, 3529541002, 15339928201, 30679856402, 199419066613, 398838133226]

約数ペア:

[(1, 398838133226), (2, 199419066613), (13, 30679856402), (26, 15339928201), (113, 3529541002), (169, 2359988954), (226, 1764770501), (338, 1179994477), (349, 1142802674), (698, 571401337), (1469, 271503154), (2938, 135751577), (4537, 87907898), (9074, 43953949), (19097, 20884858), (29921, 13329706), (38194, 10442429), (39437, 10113298), (58981, 6762146), (59842, 6664853), (78874, 5056649), (117962, 3381073), (388973, 1025362), (512681, 777946)]