28724276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53993}}^1$

素因数の和:54023

約数の個数: 24

約数和(自身を含む): 60473280

約数和(自身を除く): 31749004

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 53993, 107986, 215972, 377951, 755902, 1025867, 1511804, 2051734, 4103468, 7181069, 14362138, 28724276]

約数ペア:

[(1, 28724276), (2, 14362138), (4, 7181069), (7, 4103468), (14, 2051734), (19, 1511804), (28, 1025867), (38, 755902), (76, 377951), (133, 215972), (266, 107986), (532, 53993)]