256291209674

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1021}}^1\times {\mathrm{15383}}^1$

素因数の和:16646

約数の個数: 32

約数和(自身を含む): 396205689600

約数和(自身を除く): 139914479926

約数列:

[1, 2, 41, 82, 199, 398, 1021, 2042, 8159, 15383, 16318, 30766, 41861, 83722, 203179, 406358, 630703, 1261406, 3061217, 6122434, 8330339, 15706043, 16660678, 31412086, 125509897, 251019794, 643947763, 1287895526, 3125502557, 6251005114, 128145604837, 256291209674]

約数ペア:

[(1, 256291209674), (2, 128145604837), (41, 6251005114), (82, 3125502557), (199, 1287895526), (398, 643947763), (1021, 251019794), (2042, 125509897), (8159, 31412086), (15383, 16660678), (16318, 15706043), (30766, 8330339), (41861, 6122434), (83722, 3061217), (203179, 1261406), (406358, 630703)]