256475990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1115113}}^1$

素因数の和:1115143

約数の個数: 16

約数和(自身を含む): 481729248

約数和(自身を除く): 225253258

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1115113, 2230226, 5575565, 11151130, 25647599, 51295198, 128237995, 256475990]

約数ペア:

[(1, 256475990), (2, 128237995), (5, 51295198), (10, 25647599), (23, 11151130), (46, 5575565), (115, 2230226), (230, 1115113)]