28993475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 42769584

約数和(自身を除く): 13776109

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 197, 203, 725, 841, 985, 1015, 1379, 4205, 4925, 5075, 5713, 5887, 6895, 21025, 28565, 29435, 34475, 39991, 142825, 147175, 165677, 199955, 828385, 999775, 1159739, 4141925, 5798695, 28993475]

約数ペア:

[(1, 28993475), (5, 5798695), (7, 4141925), (25, 1159739), (29, 999775), (35, 828385), (145, 199955), (175, 165677), (197, 147175), (203, 142825), (725, 39991), (841, 34475), (985, 29435), (1015, 28565), (1379, 21025), (4205, 6895), (4925, 5887), (5075, 5713)]