90249378

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 195416064

約数和(自身を除く): 105166686

約数列:

[1, 2, 3, 6, 23, 46, 61, 69, 71, 122, 138, 142, 151, 183, 213, 302, 366, 426, 453, 906, 1403, 1633, 2806, 3266, 3473, 4209, 4331, 4899, 6946, 8418, 8662, 9211, 9798, 10419, 10721, 12993, 18422, 20838, 21442, 25986, 27633, 32163, 55266, 64326, 99613, 199226, 211853, 246583, 298839, 423706, 493166, 597678, 635559, 653981, 739749, 1271118, 1307962, 1479498, 1961943, 3923886, 15041563, 30083126, 45124689, 90249378]

約数ペア:

[(1, 90249378), (2, 45124689), (3, 30083126), (6, 15041563), (23, 3923886), (46, 1961943), (61, 1479498), (69, 1307962), (71, 1271118), (122, 739749), (138, 653981), (142, 635559), (151, 597678), (183, 493166), (213, 423706), (302, 298839), (366, 246583), (426, 211853), (453, 199226), (906, 99613), (1403, 64326), (1633, 55266), (2806, 32163), (3266, 27633), (3473, 25986), (4209, 21442), (4331, 20838), (4899, 18422), (6946, 12993), (8418, 10721), (8662, 10419), (9211, 9798)]