28684808

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 54933120

約数和(自身を除く): 26248312

約数列:

[1, 2, 4, 8, 101, 131, 202, 262, 271, 404, 524, 542, 808, 1048, 1084, 2168, 13231, 26462, 27371, 35501, 52924, 54742, 71002, 105848, 109484, 142004, 218968, 284008, 3585601, 7171202, 14342404, 28684808]

約数ペア:

[(1, 28684808), (2, 14342404), (4, 7171202), (8, 3585601), (101, 284008), (131, 218968), (202, 142004), (262, 109484), (271, 105848), (404, 71002), (524, 54742), (542, 52924), (808, 35501), (1048, 27371), (1084, 26462), (2168, 13231)]