213522904

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{27431}}^1$

素因数の和:27583

約数の個数: 32

約数和(自身を含む): 460857600

約数和(自身を除く): 247334696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 27431, 54862, 109724, 192017, 219448, 384034, 768068, 1536136, 3812909, 7625818, 15251636, 26690363, 30503272, 53380726, 106761452, 213522904]

約数ペア:

[(1, 213522904), (2, 106761452), (4, 53380726), (7, 30503272), (8, 26690363), (14, 15251636), (28, 7625818), (56, 3812909), (139, 1536136), (278, 768068), (556, 384034), (973, 219448), (1112, 192017), (1946, 109724), (3892, 54862), (7784, 27431)]