6720406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 13439232

約数和(自身を除く): 6718826

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 151, 154, 187, 238, 289, 302, 374, 578, 1057, 1309, 1661, 2023, 2114, 2567, 2618, 3179, 3322, 4046, 5134, 6358, 11627, 17969, 22253, 23254, 28237, 35938, 43639, 44506, 56474, 87278, 197659, 305473, 395318, 480029, 610946, 960058, 3360203, 6720406]

約数ペア:

[(1, 6720406), (2, 3360203), (7, 960058), (11, 610946), (14, 480029), (17, 395318), (22, 305473), (34, 197659), (77, 87278), (119, 56474), (151, 44506), (154, 43639), (187, 35938), (238, 28237), (289, 23254), (302, 22253), (374, 17969), (578, 11627), (1057, 6358), (1309, 5134), (1661, 4046), (2023, 3322), (2114, 3179), (2567, 2618)]