28169386

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 50168448

約数和(自身を除く): 21999062

約数列:

[1, 2, 7, 14, 43, 73, 86, 146, 301, 511, 602, 641, 1022, 1282, 3139, 4487, 6278, 8974, 21973, 27563, 43946, 46793, 55126, 93586, 192941, 327551, 385882, 655102, 2012099, 4024198, 14084693, 28169386]

約数ペア:

[(1, 28169386), (2, 14084693), (7, 4024198), (14, 2012099), (43, 655102), (73, 385882), (86, 327551), (146, 192941), (301, 93586), (511, 55126), (602, 46793), (641, 43946), (1022, 27563), (1282, 21973), (3139, 8974), (4487, 6278)]