257786328

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^2\times {\mathrm{11177}}^1$

素因数の和:11248

約数の個数: 48

約数和(自身を含む): 665985240

約数和(自身を除く): 408198912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 961, 1922, 2883, 3844, 5766, 7688, 11177, 11532, 22354, 23064, 33531, 44708, 67062, 89416, 134124, 268248, 346487, 692974, 1039461, 1385948, 2078922, 2771896, 4157844, 8315688, 10741097, 21482194, 32223291, 42964388, 64446582, 85928776, 128893164, 257786328]

約数ペア:

[(1, 257786328), (2, 128893164), (3, 85928776), (4, 64446582), (6, 42964388), (8, 32223291), (12, 21482194), (24, 10741097), (31, 8315688), (62, 4157844), (93, 2771896), (124, 2078922), (186, 1385948), (248, 1039461), (372, 692974), (744, 346487), (961, 268248), (1922, 134124), (2883, 89416), (3844, 67062), (5766, 44708), (7688, 33531), (11177, 23064), (11532, 22354)]