891268

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 1803200

約数和(自身を除く): 911932

約数列:

[1, 2, 4, 7, 14, 28, 139, 229, 278, 458, 556, 916, 973, 1603, 1946, 3206, 3892, 6412, 31831, 63662, 127324, 222817, 445634, 891268]

約数ペア:

[(1, 891268), (2, 445634), (4, 222817), (7, 127324), (14, 63662), (28, 31831), (139, 6412), (229, 3892), (278, 3206), (458, 1946), (556, 1603), (916, 973)]