128791894

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3229}}^1$

素因数の和:3293

約数の個数: 48

約数和(自身を含む): 251862480

約数和(自身を除く): 123070586

約数列:

[1, 2, 7, 11, 14, 22, 37, 49, 74, 77, 98, 154, 259, 407, 518, 539, 814, 1078, 1813, 2849, 3229, 3626, 5698, 6458, 19943, 22603, 35519, 39886, 45206, 71038, 119473, 158221, 238946, 248633, 316442, 497266, 836311, 1314203, 1672622, 1740431, 2628406, 3480862, 5854177, 9199421, 11708354, 18398842, 64395947, 128791894]

約数ペア:

[(1, 128791894), (2, 64395947), (7, 18398842), (11, 11708354), (14, 9199421), (22, 5854177), (37, 3480862), (49, 2628406), (74, 1740431), (77, 1672622), (98, 1314203), (154, 836311), (259, 497266), (407, 316442), (518, 248633), (539, 238946), (814, 158221), (1078, 119473), (1813, 71038), (2849, 45206), (3229, 39886), (3626, 35519), (5698, 22603), (6458, 19943)]