257749130

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{353081}}^1$

素因数の和:353161

約数の個数: 16

約数和(自身を含む): 470305224

約数和(自身を除く): 212556094

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 353081, 706162, 1765405, 3530810, 25774913, 51549826, 128874565, 257749130]

約数ペア:

[(1, 257749130), (2, 128874565), (5, 51549826), (10, 25774913), (73, 3530810), (146, 1765405), (365, 706162), (730, 353081)]