279364694

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{2213}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 489701376

約数和(自身を除く): 210336682

約数列:

[1, 2, 7, 14, 71, 127, 142, 254, 497, 889, 994, 1778, 2213, 4426, 9017, 15491, 18034, 30982, 63119, 126238, 157123, 281051, 314246, 562102, 1099861, 1967357, 2199722, 3934714, 19954621, 39909242, 139682347, 279364694]

約数ペア:

[(1, 279364694), (2, 139682347), (7, 39909242), (14, 19954621), (71, 3934714), (127, 2199722), (142, 1967357), (254, 1099861), (497, 562102), (889, 314246), (994, 281051), (1778, 157123), (2213, 126238), (4426, 63119), (9017, 30982), (15491, 18034)]