259717456

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{123911}}^1$

素因数の和:124050

約数の個数: 20

約数和(自身を含む): 507047904

約数和(自身を除く): 247330448

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 123911, 247822, 495644, 991288, 1982576, 16232341, 32464682, 64929364, 129858728, 259717456]

約数ペア:

[(1, 259717456), (2, 129858728), (4, 64929364), (8, 32464682), (16, 16232341), (131, 1982576), (262, 991288), (524, 495644), (1048, 247822), (2096, 123911)]