256856702998

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{555277}}^1$

素因数の和:555389

約数の個数: 64

約数和(自身を含む): 486156994560

約数和(自身を除く): 229300291562

約数列:

[1, 2, 7, 14, 19, 37, 38, 47, 74, 94, 133, 259, 266, 329, 518, 658, 703, 893, 1406, 1739, 1786, 3478, 4921, 6251, 9842, 12173, 12502, 24346, 33041, 66082, 231287, 462574, 555277, 1110554, 3886939, 7773878, 10550263, 20545249, 21100526, 26098019, 41090498, 52196038, 73851841, 143816743, 147703682, 182686133, 287633486, 365372266, 390359731, 495862361, 780719462, 965626703, 991724722, 1931253406, 2732518117, 3471036527, 5465036234, 6759386921, 6942073054, 13518773842, 18346907357, 36693814714, 128428351499, 256856702998]

約数ペア:

[(1, 256856702998), (2, 128428351499), (7, 36693814714), (14, 18346907357), (19, 13518773842), (37, 6942073054), (38, 6759386921), (47, 5465036234), (74, 3471036527), (94, 2732518117), (133, 1931253406), (259, 991724722), (266, 965626703), (329, 780719462), (518, 495862361), (658, 390359731), (703, 365372266), (893, 287633486), (1406, 182686133), (1739, 147703682), (1786, 143816743), (3478, 73851841), (4921, 52196038), (6251, 41090498), (9842, 26098019), (12173, 21100526), (12502, 20545249), (24346, 10550263), (33041, 7773878), (66082, 3886939), (231287, 1110554), (462574, 555277)]