257671064

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{30881}}^1$

素因数の和:31043

約数の個数: 32

約数和(自身を含む): 555876000

約数和(自身を除く): 298204936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 4172, 8344, 30881, 61762, 123524, 216167, 247048, 432334, 864668, 1729336, 4601269, 9202538, 18405076, 32208883, 36810152, 64417766, 128835532, 257671064]

約数ペア:

[(1, 257671064), (2, 128835532), (4, 64417766), (7, 36810152), (8, 32208883), (14, 18405076), (28, 9202538), (56, 4601269), (149, 1729336), (298, 864668), (596, 432334), (1043, 247048), (1192, 216167), (2086, 123524), (4172, 61762), (8344, 30881)]