317123044

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{72139}}^1$

素因数の和:72307

約数の個数: 24

約数和(自身を含む): 638294720

約数和(自身を除く): 321171676

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 72139, 144278, 288556, 504973, 1009946, 2019892, 11325823, 22651646, 45303292, 79280761, 158561522, 317123044]

約数ペア:

[(1, 317123044), (2, 158561522), (4, 79280761), (7, 45303292), (14, 22651646), (28, 11325823), (157, 2019892), (314, 1009946), (628, 504973), (1099, 288556), (2198, 144278), (4396, 72139)]