256217624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{10853}}^1$

素因数の和:11099

約数の個数: 32

約数和(自身を含む): 519689520

約数和(自身を除く): 263471896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 454, 908, 1816, 2951, 5902, 10853, 11804, 21706, 23608, 43412, 86824, 141089, 282178, 564356, 1128712, 2463631, 4927262, 9854524, 19709048, 32027203, 64054406, 128108812, 256217624]

約数ペア:

[(1, 256217624), (2, 128108812), (4, 64054406), (8, 32027203), (13, 19709048), (26, 9854524), (52, 4927262), (104, 2463631), (227, 1128712), (454, 564356), (908, 282178), (1816, 141089), (2951, 86824), (5902, 43412), (10853, 23608), (11804, 21706)]