678969564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{647}}^1$

素因数の和:736

約数の個数: 144

約数和(自身を含む): 2017903104

約数和(自身を除く): 1338933540

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 647, 651, 806, 868, 961, 1092, 1209, 1294, 1302, 1612, 1922, 1941, 2418, 2588, 2604, 2821, 2883, 3844, 3882, 4529, 4836, 5642, 5766, 6727, 7764, 8411, 8463, 9058, 11284, 11532, 12493, 13454, 13587, 16822, 16926, 18116, 20057, 20181, 24986, 25233, 26908, 27174, 33644, 33852, 37479, 40114, 40362, 49972, 50466, 54348, 58877, 60171, 74958, 80228, 80724, 87451, 100932, 117754, 120342, 140399, 149916, 174902, 176631, 235508, 240684, 260741, 262353, 280798, 349804, 353262, 421197, 521482, 524706, 561596, 621767, 706524, 782223, 842394, 1042964, 1049412, 1243534, 1564446, 1684788, 1825187, 1865301, 2487068, 3128892, 3650374, 3730602, 4352369, 5475561, 7300748, 7461204, 8082971, 8704738, 10951122, 13057107, 16165942, 17409476, 21902244, 24248913, 26114214, 32331884, 48497826, 52228428, 56580797, 96995652, 113161594, 169742391, 226323188, 339484782, 678969564]

約数ペア:

[(1, 678969564), (2, 339484782), (3, 226323188), (4, 169742391), (6, 113161594), (7, 96995652), (12, 56580797), (13, 52228428), (14, 48497826), (21, 32331884), (26, 26114214), (28, 24248913), (31, 21902244), (39, 17409476), (42, 16165942), (52, 13057107), (62, 10951122), (78, 8704738), (84, 8082971), (91, 7461204), (93, 7300748), (124, 5475561), (156, 4352369), (182, 3730602), (186, 3650374), (217, 3128892), (273, 2487068), (364, 1865301), (372, 1825187), (403, 1684788), (434, 1564446), (546, 1243534), (647, 1049412), (651, 1042964), (806, 842394), (868, 782223), (961, 706524), (1092, 621767), (1209, 561596), (1294, 524706), (1302, 521482), (1612, 421197), (1922, 353262), (1941, 349804), (2418, 280798), (2588, 262353), (2604, 260741), (2821, 240684), (2883, 235508), (3844, 176631), (3882, 174902), (4529, 149916), (4836, 140399), (5642, 120342), (5766, 117754), (6727, 100932), (7764, 87451), (8411, 80724), (8463, 80228), (9058, 74958), (11284, 60171), (11532, 58877), (12493, 54348), (13454, 50466), (13587, 49972), (16822, 40362), (16926, 40114), (18116, 37479), (20057, 33852), (20181, 33644), (24986, 27174), (25233, 26908)]