68987994

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 150232320

約数和(自身を除く): 81244326

約数列:

[1, 2, 3, 6, 23, 41, 46, 69, 82, 89, 123, 137, 138, 178, 246, 267, 274, 411, 534, 822, 943, 1886, 2047, 2829, 3151, 3649, 4094, 5617, 5658, 6141, 6302, 7298, 9453, 10947, 11234, 12193, 12282, 16851, 18906, 21894, 24386, 33702, 36579, 73158, 83927, 129191, 167854, 251781, 258382, 280439, 387573, 499913, 503562, 560878, 775146, 841317, 999826, 1499739, 1682634, 2999478, 11497999, 22995998, 34493997, 68987994]

約数ペア:

[(1, 68987994), (2, 34493997), (3, 22995998), (6, 11497999), (23, 2999478), (41, 1682634), (46, 1499739), (69, 999826), (82, 841317), (89, 775146), (123, 560878), (137, 503562), (138, 499913), (178, 387573), (246, 280439), (267, 258382), (274, 251781), (411, 167854), (534, 129191), (822, 83927), (943, 73158), (1886, 36579), (2047, 33702), (2829, 24386), (3151, 21894), (3649, 18906), (4094, 16851), (5617, 12282), (5658, 12193), (6141, 11234), (6302, 10947), (7298, 9453)]