138420394

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 261734400

約数和(自身を除く): 123314006

約数列:

[1, 2, 7, 14, 23, 31, 46, 49, 62, 98, 161, 217, 283, 322, 343, 434, 566, 686, 713, 1127, 1426, 1519, 1981, 2254, 3038, 3962, 4991, 6509, 7889, 8773, 9982, 10633, 13018, 13867, 15778, 17546, 21266, 27734, 34937, 45563, 61411, 69874, 91126, 97069, 122822, 194138, 201779, 244559, 318941, 403558, 429877, 489118, 637882, 859754, 1412453, 2232587, 2824906, 3009139, 4465174, 6018278, 9887171, 19774342, 69210197, 138420394]

約数ペア:

[(1, 138420394), (2, 69210197), (7, 19774342), (14, 9887171), (23, 6018278), (31, 4465174), (46, 3009139), (49, 2824906), (62, 2232587), (98, 1412453), (161, 859754), (217, 637882), (283, 489118), (322, 429877), (343, 403558), (434, 318941), (566, 244559), (686, 201779), (713, 194138), (1127, 122822), (1426, 97069), (1519, 91126), (1981, 69874), (2254, 61411), (3038, 45563), (3962, 34937), (4991, 27734), (6509, 21266), (7889, 17546), (8773, 15778), (9982, 13867), (10633, 13018)]