381249904

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109807}}^1$

素因数の和:109853

約数の個数: 40

約数和(自身を含む): 871436288

約数和(自身を除く): 490186384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 109807, 219614, 439228, 768649, 878456, 1537298, 1756912, 3074596, 3404017, 6149192, 6808034, 12298384, 13616068, 23828119, 27232136, 47656238, 54464272, 95312476, 190624952, 381249904]

約数ペア:

[(1, 381249904), (2, 190624952), (4, 95312476), (7, 54464272), (8, 47656238), (14, 27232136), (16, 23828119), (28, 13616068), (31, 12298384), (56, 6808034), (62, 6149192), (112, 3404017), (124, 3074596), (217, 1756912), (248, 1537298), (434, 878456), (496, 768649), (868, 439228), (1736, 219614), (3472, 109807)]