257495784

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16843}}^1$

素因数の和:16879

約数の個数: 96

約数和(自身を含む): 806490720

約数和(自身を除く): 548994936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 273, 294, 312, 364, 392, 546, 588, 637, 728, 1092, 1176, 1274, 1911, 2184, 2548, 3822, 5096, 7644, 15288, 16843, 33686, 50529, 67372, 101058, 117901, 134744, 202116, 218959, 235802, 353703, 404232, 437918, 471604, 656877, 707406, 825307, 875836, 943208, 1313754, 1414812, 1532713, 1650614, 1751672, 2475921, 2627508, 2829624, 3065426, 3301228, 4598139, 4951842, 5255016, 6130852, 6602456, 9196278, 9903684, 10728991, 12261704, 18392556, 19807368, 21457982, 32186973, 36785112, 42915964, 64373946, 85831928, 128747892, 257495784]

約数ペア:

[(1, 257495784), (2, 128747892), (3, 85831928), (4, 64373946), (6, 42915964), (7, 36785112), (8, 32186973), (12, 21457982), (13, 19807368), (14, 18392556), (21, 12261704), (24, 10728991), (26, 9903684), (28, 9196278), (39, 6602456), (42, 6130852), (49, 5255016), (52, 4951842), (56, 4598139), (78, 3301228), (84, 3065426), (91, 2829624), (98, 2627508), (104, 2475921), (147, 1751672), (156, 1650614), (168, 1532713), (182, 1414812), (196, 1313754), (273, 943208), (294, 875836), (312, 825307), (364, 707406), (392, 656877), (546, 471604), (588, 437918), (637, 404232), (728, 353703), (1092, 235802), (1176, 218959), (1274, 202116), (1911, 134744), (2184, 117901), (2548, 101058), (3822, 67372), (5096, 50529), (7644, 33686), (15288, 16843)]