856557506

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{74887}}^1$

素因数の和:74958

約数の個数: 32

約数和(自身を含む): 1581634560

約数和(自身を除く): 725077054

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 5719, 11438, 74887, 149774, 524209, 1048418, 1422853, 2845706, 3220141, 6440282, 9959971, 19919942, 22540987, 45081974, 61182679, 122365358, 428278753, 856557506]

約数ペア:

[(1, 856557506), (2, 428278753), (7, 122365358), (14, 61182679), (19, 45081974), (38, 22540987), (43, 19919942), (86, 9959971), (133, 6440282), (266, 3220141), (301, 2845706), (602, 1422853), (817, 1048418), (1634, 524209), (5719, 149774), (11438, 74887)]