161281368

素因数分解:

$2^3\times 3^4\times {\mathrm{248891}}^1$

素因数の和:248909

約数の個数: 40

約数和(自身を含む): 451738980

約数和(自身を除く): 290457612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 248891, 497782, 746673, 995564, 1493346, 1991128, 2240019, 2986692, 4480038, 5973384, 6720057, 8960076, 13440114, 17920152, 20160171, 26880228, 40320342, 53760456, 80640684, 161281368]

約数ペア:

[(1, 161281368), (2, 80640684), (3, 53760456), (4, 40320342), (6, 26880228), (8, 20160171), (9, 17920152), (12, 13440114), (18, 8960076), (24, 6720057), (27, 5973384), (36, 4480038), (54, 2986692), (72, 2240019), (81, 1991128), (108, 1493346), (162, 995564), (216, 746673), (324, 497782), (648, 248891)]