256055674

素因数分解:

$2^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 473184000

約数和(自身を除く): 217128326

約数列:

[1, 2, 7, 14, 29, 49, 58, 61, 98, 122, 203, 211, 343, 406, 422, 427, 686, 854, 1421, 1477, 1769, 2842, 2954, 2989, 3538, 5978, 6119, 9947, 10339, 12238, 12383, 12871, 19894, 20678, 20923, 24766, 25742, 41846, 42833, 72373, 85666, 86681, 90097, 144746, 173362, 180194, 299831, 373259, 599662, 606767, 630679, 746518, 1213534, 1261358, 2098817, 2612813, 4197634, 4414753, 5225626, 8829506, 18289691, 36579382, 128027837, 256055674]

約数ペア:

[(1, 256055674), (2, 128027837), (7, 36579382), (14, 18289691), (29, 8829506), (49, 5225626), (58, 4414753), (61, 4197634), (98, 2612813), (122, 2098817), (203, 1261358), (211, 1213534), (343, 746518), (406, 630679), (422, 606767), (427, 599662), (686, 373259), (854, 299831), (1421, 180194), (1477, 173362), (1769, 144746), (2842, 90097), (2954, 86681), (2989, 85666), (3538, 72373), (5978, 42833), (6119, 41846), (9947, 25742), (10339, 24766), (12238, 20923), (12383, 20678), (12871, 19894)]