399488964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{679403}}^1$

素因数の和:679424

約数の個数: 36

約数和(自身を含む): 1084328784

約数和(自身を除く): 684839820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 679403, 1358806, 2038209, 2717612, 4076418, 4755821, 8152836, 9511642, 14267463, 19023284, 28534926, 33290747, 57069852, 66581494, 99872241, 133162988, 199744482, 399488964]

約数ペア:

[(1, 399488964), (2, 199744482), (3, 133162988), (4, 99872241), (6, 66581494), (7, 57069852), (12, 33290747), (14, 28534926), (21, 19023284), (28, 14267463), (42, 9511642), (49, 8152836), (84, 4755821), (98, 4076418), (147, 2717612), (196, 2038209), (294, 1358806), (588, 679403)]