257319028

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{5347}}^1$

素因数の和:5631

約数の個数: 24

約数和(自身を含む): 460912032

約数和(自身を除く): 203593004

約数列:

[1, 2, 4, 53, 106, 212, 227, 454, 908, 5347, 10694, 12031, 21388, 24062, 48124, 283391, 566782, 1133564, 1213769, 2427538, 4855076, 64329757, 128659514, 257319028]

約数ペア:

[(1, 257319028), (2, 128659514), (4, 64329757), (53, 4855076), (106, 2427538), (212, 1213769), (227, 1133564), (454, 566782), (908, 283391), (5347, 48124), (10694, 24062), (12031, 21388)]