646787596

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^2$

素因数の和:172

約数の個数: 108

約数和(自身を含む): 1473723216

約数和(自身を除く): 826935620

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 43, 52, 62, 86, 91, 124, 172, 182, 217, 301, 364, 403, 434, 559, 602, 806, 868, 961, 1118, 1204, 1333, 1612, 1849, 1922, 2236, 2666, 2821, 3698, 3844, 3913, 5332, 5642, 6727, 7396, 7826, 9331, 11284, 12493, 12943, 13454, 15652, 17329, 18662, 24037, 24986, 25886, 26908, 34658, 37324, 41323, 48074, 49972, 51772, 57319, 69316, 82646, 87451, 96148, 114638, 121303, 165292, 168259, 174902, 229276, 242606, 289261, 336518, 349804, 401233, 485212, 537199, 578522, 673036, 745147, 802466, 1074398, 1157044, 1490294, 1604932, 1776889, 2148796, 2980588, 3553778, 3760393, 5216029, 7107556, 7520786, 10432058, 12438223, 15041572, 20864116, 23099557, 24876446, 46199114, 49752892, 92398228, 161696899, 323393798, 646787596]

約数ペア:

[(1, 646787596), (2, 323393798), (4, 161696899), (7, 92398228), (13, 49752892), (14, 46199114), (26, 24876446), (28, 23099557), (31, 20864116), (43, 15041572), (52, 12438223), (62, 10432058), (86, 7520786), (91, 7107556), (124, 5216029), (172, 3760393), (182, 3553778), (217, 2980588), (301, 2148796), (364, 1776889), (403, 1604932), (434, 1490294), (559, 1157044), (602, 1074398), (806, 802466), (868, 745147), (961, 673036), (1118, 578522), (1204, 537199), (1333, 485212), (1612, 401233), (1849, 349804), (1922, 336518), (2236, 289261), (2666, 242606), (2821, 229276), (3698, 174902), (3844, 168259), (3913, 165292), (5332, 121303), (5642, 114638), (6727, 96148), (7396, 87451), (7826, 82646), (9331, 69316), (11284, 57319), (12493, 51772), (12943, 49972), (13454, 48074), (15652, 41323), (17329, 37324), (18662, 34658), (24037, 26908), (24986, 25886)]