316678318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{6991}}^1$

素因数の和:7104

約数の個数: 32

約数和(自身を含む): 543697920

約数和(自身を除く): 227019602

約数列:

[1, 2, 11, 22, 29, 58, 71, 142, 319, 638, 781, 1562, 2059, 4118, 6991, 13982, 22649, 45298, 76901, 153802, 202739, 405478, 496361, 992722, 2230129, 4460258, 5459971, 10919942, 14394469, 28788938, 158339159, 316678318]

約数ペア:

[(1, 316678318), (2, 158339159), (11, 28788938), (22, 14394469), (29, 10919942), (58, 5459971), (71, 4460258), (142, 2230129), (319, 992722), (638, 496361), (781, 405478), (1562, 202739), (2059, 153802), (4118, 76901), (6991, 45298), (13982, 22649)]