261724918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 504548352

約数和(自身を除く): 242823434

約数列:

[1, 2, 7, 13, 14, 26, 43, 53, 86, 91, 106, 182, 301, 371, 559, 602, 631, 689, 742, 1118, 1262, 1378, 2279, 3913, 4417, 4558, 4823, 7826, 8203, 8834, 9646, 15953, 16406, 27133, 29627, 31906, 33443, 54266, 57421, 59254, 66886, 114842, 189931, 207389, 234101, 352729, 379862, 414778, 434759, 468202, 705458, 869518, 1438049, 2469103, 2876098, 3043313, 4938206, 6086626, 10066343, 18694637, 20132686, 37389274, 130862459, 261724918]

約数ペア:

[(1, 261724918), (2, 130862459), (7, 37389274), (13, 20132686), (14, 18694637), (26, 10066343), (43, 6086626), (53, 4938206), (86, 3043313), (91, 2876098), (106, 2469103), (182, 1438049), (301, 869518), (371, 705458), (559, 468202), (602, 434759), (631, 414778), (689, 379862), (742, 352729), (1118, 234101), (1262, 207389), (1378, 189931), (2279, 114842), (3913, 66886), (4417, 59254), (4558, 57421), (4823, 54266), (7826, 33443), (8203, 31906), (8834, 29627), (9646, 27133), (15953, 16406)]