28307216

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 65013696

約数和(自身を除く): 36706480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 263, 434, 496, 526, 868, 961, 1052, 1736, 1841, 1922, 2104, 3472, 3682, 3844, 4208, 6727, 7364, 7688, 8153, 13454, 14728, 15376, 16306, 26908, 29456, 32612, 53816, 57071, 65224, 107632, 114142, 130448, 228284, 252743, 456568, 505486, 913136, 1010972, 1769201, 2021944, 3538402, 4043888, 7076804, 14153608, 28307216]

約数ペア:

[(1, 28307216), (2, 14153608), (4, 7076804), (7, 4043888), (8, 3538402), (14, 2021944), (16, 1769201), (28, 1010972), (31, 913136), (56, 505486), (62, 456568), (112, 252743), (124, 228284), (217, 130448), (248, 114142), (263, 107632), (434, 65224), (496, 57071), (526, 53816), (868, 32612), (961, 29456), (1052, 26908), (1736, 16306), (1841, 15376), (1922, 14728), (2104, 13454), (3472, 8153), (3682, 7688), (3844, 7364), (4208, 6727)]