388354672

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{3463}}^1$

素因数の和:3677

約数の個数: 40

約数和(自身を含む): 774882944

約数和(自身を除く): 386528272

約数列:

[1, 2, 4, 8, 16, 43, 86, 163, 172, 326, 344, 652, 688, 1304, 2608, 3463, 6926, 7009, 13852, 14018, 27704, 28036, 55408, 56072, 112144, 148909, 297818, 564469, 595636, 1128938, 1191272, 2257876, 2382544, 4515752, 9031504, 24272167, 48544334, 97088668, 194177336, 388354672]

約数ペア:

[(1, 388354672), (2, 194177336), (4, 97088668), (8, 48544334), (16, 24272167), (43, 9031504), (86, 4515752), (163, 2382544), (172, 2257876), (326, 1191272), (344, 1128938), (652, 595636), (688, 564469), (1304, 297818), (2608, 148909), (3463, 112144), (6926, 56072), (7009, 55408), (13852, 28036), (14018, 27704)]