320173956

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{67891}}^1$

素因数の和:68032

約数の個数: 36

約数和(自身を含む): 815518704

約数和(自身を除く): 495344748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4716, 67891, 135782, 203673, 271564, 407346, 611019, 814692, 1222038, 2444076, 8893721, 17787442, 26681163, 35574884, 53362326, 80043489, 106724652, 160086978, 320173956]

約数ペア:

[(1, 320173956), (2, 160086978), (3, 106724652), (4, 80043489), (6, 53362326), (9, 35574884), (12, 26681163), (18, 17787442), (36, 8893721), (131, 2444076), (262, 1222038), (393, 814692), (524, 611019), (786, 407346), (1179, 271564), (1572, 203673), (2358, 135782), (4716, 67891)]