428508717

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 727136256

約数和(自身を除く): 298627539

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 173, 211, 273, 301, 519, 559, 633, 903, 1211, 1477, 1677, 2249, 2743, 3633, 3913, 4431, 6747, 7439, 8229, 9073, 11739, 15743, 19201, 22317, 27219, 36503, 47229, 52073, 57603, 63511, 96707, 109509, 117949, 156219, 190533, 255521, 290121, 353847, 474539, 676949, 766563, 825643, 1423617, 1569629, 2030847, 2476929, 3321773, 4708887, 9965319, 10987403, 20405177, 32962209, 61215531, 142836239, 428508717]

約数ペア:

[(1, 428508717), (3, 142836239), (7, 61215531), (13, 32962209), (21, 20405177), (39, 10987403), (43, 9965319), (91, 4708887), (129, 3321773), (173, 2476929), (211, 2030847), (273, 1569629), (301, 1423617), (519, 825643), (559, 766563), (633, 676949), (903, 474539), (1211, 353847), (1477, 290121), (1677, 255521), (2249, 190533), (2743, 156219), (3633, 117949), (3913, 109509), (4431, 96707), (6747, 63511), (7439, 57603), (8229, 52073), (9073, 47229), (11739, 36503), (15743, 27219), (19201, 22317)]