386985452

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{99431}}^1$

素因数の和:99581

約数の個数: 24

約数和(自身を含む): 779546880

約数和(自身を除く): 392561428

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 99431, 198862, 397724, 696017, 1392034, 2784068, 13820909, 27641818, 55283636, 96746363, 193492726, 386985452]

約数ペア:

[(1, 386985452), (2, 193492726), (4, 96746363), (7, 55283636), (14, 27641818), (28, 13820909), (139, 2784068), (278, 1392034), (556, 696017), (973, 397724), (1946, 198862), (3892, 99431)]