394497978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8689}}^1$

素因数の和:8771

約数の個数: 64

約数和(自身を含む): 961044480

約数和(自身を除く): 566546502

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 47, 69, 94, 138, 141, 161, 282, 322, 329, 483, 658, 966, 987, 1081, 1974, 2162, 3243, 6486, 7567, 8689, 15134, 17378, 22701, 26067, 45402, 52134, 60823, 121646, 182469, 199847, 364938, 399694, 408383, 599541, 816766, 1199082, 1225149, 1398929, 2450298, 2797858, 2858681, 4196787, 5717362, 8393574, 8576043, 9392809, 17152086, 18785618, 28178427, 56356854, 65749663, 131499326, 197248989, 394497978]

約数ペア:

[(1, 394497978), (2, 197248989), (3, 131499326), (6, 65749663), (7, 56356854), (14, 28178427), (21, 18785618), (23, 17152086), (42, 9392809), (46, 8576043), (47, 8393574), (69, 5717362), (94, 4196787), (138, 2858681), (141, 2797858), (161, 2450298), (282, 1398929), (322, 1225149), (329, 1199082), (483, 816766), (658, 599541), (966, 408383), (987, 399694), (1081, 364938), (1974, 199847), (2162, 182469), (3243, 121646), (6486, 60823), (7567, 52134), (8689, 45402), (15134, 26067), (17378, 22701)]