257284872

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8867}}^1$

素因数の和:8923

約数の個数: 96

約数和(自身を含む): 774708480

約数和(自身を除く): 517423608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 744, 806, 936, 1116, 1209, 1612, 2232, 2418, 3224, 3627, 4836, 7254, 8867, 9672, 14508, 17734, 26601, 29016, 35468, 53202, 70936, 79803, 106404, 115271, 159606, 212808, 230542, 274877, 319212, 345813, 461084, 549754, 638424, 691626, 824631, 922168, 1037439, 1099508, 1383252, 1649262, 2074878, 2199016, 2473893, 2766504, 3298524, 3573401, 4149756, 4947786, 6597048, 7146802, 8299512, 9895572, 10720203, 14293604, 19791144, 21440406, 28587208, 32160609, 42880812, 64321218, 85761624, 128642436, 257284872]

約数ペア:

[(1, 257284872), (2, 128642436), (3, 85761624), (4, 64321218), (6, 42880812), (8, 32160609), (9, 28587208), (12, 21440406), (13, 19791144), (18, 14293604), (24, 10720203), (26, 9895572), (31, 8299512), (36, 7146802), (39, 6597048), (52, 4947786), (62, 4149756), (72, 3573401), (78, 3298524), (93, 2766504), (104, 2473893), (117, 2199016), (124, 2074878), (156, 1649262), (186, 1383252), (234, 1099508), (248, 1037439), (279, 922168), (312, 824631), (372, 691626), (403, 638424), (468, 549754), (558, 461084), (744, 345813), (806, 319212), (936, 274877), (1116, 230542), (1209, 212808), (1612, 159606), (2232, 115271), (2418, 106404), (3224, 79803), (3627, 70936), (4836, 53202), (7254, 35468), (8867, 29016), (9672, 26601), (14508, 17734)]