128434292

素因数分解:

$2^2\times 7^4\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:386

約数の個数: 60

約数和(自身を含む): 269164896

約数和(自身を除く): 140730604

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 311, 343, 602, 622, 686, 1204, 1244, 1372, 2107, 2177, 2401, 4214, 4354, 4802, 8428, 8708, 9604, 13373, 14749, 15239, 26746, 29498, 30478, 53492, 58996, 60956, 93611, 103243, 106673, 187222, 206486, 213346, 374444, 412972, 426692, 655277, 746711, 1310554, 1493422, 2621108, 2986844, 4586939, 9173878, 18347756, 32108573, 64217146, 128434292]

約数ペア:

[(1, 128434292), (2, 64217146), (4, 32108573), (7, 18347756), (14, 9173878), (28, 4586939), (43, 2986844), (49, 2621108), (86, 1493422), (98, 1310554), (172, 746711), (196, 655277), (301, 426692), (311, 412972), (343, 374444), (602, 213346), (622, 206486), (686, 187222), (1204, 106673), (1244, 103243), (1372, 93611), (2107, 60956), (2177, 58996), (2401, 53492), (4214, 30478), (4354, 29498), (4802, 26746), (8428, 15239), (8708, 14749), (9604, 13373)]