257437206

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1618

約数の個数: 96

約数和(自身を含む): 647442432

約数和(自身を除く): 390005226

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 31, 39, 46, 62, 69, 78, 93, 117, 138, 186, 207, 234, 279, 299, 403, 414, 558, 598, 713, 806, 897, 1209, 1426, 1543, 1794, 2139, 2418, 2691, 3086, 3627, 4278, 4629, 5382, 6417, 7254, 9258, 9269, 12834, 13887, 18538, 20059, 27774, 27807, 35489, 40118, 47833, 55614, 60177, 70978, 83421, 95666, 106467, 120354, 143499, 166842, 180531, 212934, 286998, 319401, 361062, 430497, 461357, 621829, 638802, 860994, 922714, 1100159, 1243658, 1384071, 1865487, 2200318, 2768142, 3300477, 3730974, 4152213, 5596461, 6600954, 8304426, 9901431, 11192922, 14302067, 19802862, 28604134, 42906201, 85812402, 128718603, 257437206]

約数ペア:

[(1, 257437206), (2, 128718603), (3, 85812402), (6, 42906201), (9, 28604134), (13, 19802862), (18, 14302067), (23, 11192922), (26, 9901431), (31, 8304426), (39, 6600954), (46, 5596461), (62, 4152213), (69, 3730974), (78, 3300477), (93, 2768142), (117, 2200318), (138, 1865487), (186, 1384071), (207, 1243658), (234, 1100159), (279, 922714), (299, 860994), (403, 638802), (414, 621829), (558, 461357), (598, 430497), (713, 361062), (806, 319401), (897, 286998), (1209, 212934), (1426, 180531), (1543, 166842), (1794, 143499), (2139, 120354), (2418, 106467), (2691, 95666), (3086, 83421), (3627, 70978), (4278, 60177), (4629, 55614), (5382, 47833), (6417, 40118), (7254, 35489), (9258, 27807), (9269, 27774), (12834, 20059), (13887, 18538)]