256213464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 699426000

約数和(自身を除く): 443212536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 181, 312, 338, 349, 362, 507, 543, 676, 698, 724, 1014, 1047, 1086, 1352, 1396, 1448, 2028, 2094, 2172, 2353, 2792, 4056, 4188, 4344, 4537, 4706, 7059, 8376, 9074, 9412, 13611, 14118, 18148, 18824, 27222, 28236, 30589, 36296, 54444, 56472, 58981, 61178, 63169, 91767, 108888, 117962, 122356, 126338, 176943, 183534, 189507, 235924, 244712, 252676, 353886, 367068, 379014, 471848, 505352, 707772, 734136, 758028, 821197, 1415544, 1516056, 1642394, 2463591, 3284788, 4927182, 6569576, 9854364, 10675561, 19708728, 21351122, 32026683, 42702244, 64053366, 85404488, 128106732, 256213464]

約数ペア:

[(1, 256213464), (2, 128106732), (3, 85404488), (4, 64053366), (6, 42702244), (8, 32026683), (12, 21351122), (13, 19708728), (24, 10675561), (26, 9854364), (39, 6569576), (52, 4927182), (78, 3284788), (104, 2463591), (156, 1642394), (169, 1516056), (181, 1415544), (312, 821197), (338, 758028), (349, 734136), (362, 707772), (507, 505352), (543, 471848), (676, 379014), (698, 367068), (724, 353886), (1014, 252676), (1047, 244712), (1086, 235924), (1352, 189507), (1396, 183534), (1448, 176943), (2028, 126338), (2094, 122356), (2172, 117962), (2353, 108888), (2792, 91767), (4056, 63169), (4188, 61178), (4344, 58981), (4537, 56472), (4706, 54444), (7059, 36296), (8376, 30589), (9074, 28236), (9412, 27222), (13611, 18824), (14118, 18148)]