1289364538

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^2\times {\mathrm{151}}^1$

素因数の和:356

約数の個数: 72

約数和(自身を含む): 2498662944

約数和(自身を除く): 1209298406

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 89, 98, 151, 154, 178, 302, 539, 623, 979, 1057, 1078, 1246, 1661, 1958, 2114, 3322, 4361, 6853, 7399, 7921, 8722, 11627, 13439, 13706, 14798, 15842, 23254, 26878, 47971, 55447, 81389, 87131, 94073, 95942, 110894, 147829, 162778, 174262, 188146, 295658, 388129, 609917, 658511, 776258, 1034803, 1196071, 1219834, 1317022, 2069606, 2392142, 4269419, 7243621, 8372497, 8538838, 13156781, 14487242, 16744994, 26313562, 58607479, 92097467, 117214958, 184194934, 644682269, 1289364538]

約数ペア:

[(1, 1289364538), (2, 644682269), (7, 184194934), (11, 117214958), (14, 92097467), (22, 58607479), (49, 26313562), (77, 16744994), (89, 14487242), (98, 13156781), (151, 8538838), (154, 8372497), (178, 7243621), (302, 4269419), (539, 2392142), (623, 2069606), (979, 1317022), (1057, 1219834), (1078, 1196071), (1246, 1034803), (1661, 776258), (1958, 658511), (2114, 609917), (3322, 388129), (4361, 295658), (6853, 188146), (7399, 174262), (7921, 162778), (8722, 147829), (11627, 110894), (13439, 95942), (13706, 94073), (14798, 87131), (15842, 81389), (23254, 55447), (26878, 47971)]