388660846

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{29819}}^1$

素因数の和:29861

約数の個数: 32

約数和(自身を含む): 715680000

約数和(自身を除く): 327019154

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1862, 6517, 13034, 29819, 59638, 208733, 417466, 566561, 1133122, 1461131, 2922262, 3965927, 7931854, 10227917, 20455834, 27761489, 55522978, 194330423, 388660846]

約数ペア:

[(1, 388660846), (2, 194330423), (7, 55522978), (14, 27761489), (19, 20455834), (38, 10227917), (49, 7931854), (98, 3965927), (133, 2922262), (266, 1461131), (343, 1133122), (686, 566561), (931, 417466), (1862, 208733), (6517, 59638), (13034, 29819)]