388640308

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{261887}}^1$

素因数の和:261951

約数の個数: 24

約数和(自身を含む): 791949312

約数和(自身を除く): 403309004

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 261887, 523774, 1047548, 1833209, 3666418, 7332836, 13880011, 27760022, 55520044, 97160077, 194320154, 388640308]

約数ペア:

[(1, 388640308), (2, 194320154), (4, 97160077), (7, 55520044), (14, 27760022), (28, 13880011), (53, 7332836), (106, 3666418), (212, 1833209), (371, 1047548), (742, 523774), (1484, 261887)]