1987331372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 4116000000

約数和(自身を除く): 2128668628

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 76, 116, 139, 247, 278, 377, 494, 499, 551, 556, 754, 988, 998, 1102, 1508, 1807, 1996, 2204, 2641, 3614, 4031, 5282, 6487, 7163, 7228, 8062, 9481, 10564, 12974, 14326, 14471, 16124, 18962, 25948, 28652, 28942, 34333, 37924, 52403, 57884, 68666, 69361, 76589, 104806, 123253, 137332, 138722, 153178, 188123, 209612, 246506, 274949, 277444, 306356, 376246, 493012, 549898, 752492, 901693, 995657, 1099796, 1317859, 1803386, 1991314, 2011469, 2635718, 3574337, 3606772, 3982628, 4022938, 5271436, 7148674, 8045876, 14297348, 17132167, 26149097, 34264334, 38217911, 52298194, 68528668, 76435822, 104596388, 152871644, 496832843, 993665686, 1987331372]

約数ペア:

[(1, 1987331372), (2, 993665686), (4, 496832843), (13, 152871644), (19, 104596388), (26, 76435822), (29, 68528668), (38, 52298194), (52, 38217911), (58, 34264334), (76, 26149097), (116, 17132167), (139, 14297348), (247, 8045876), (278, 7148674), (377, 5271436), (494, 4022938), (499, 3982628), (551, 3606772), (556, 3574337), (754, 2635718), (988, 2011469), (998, 1991314), (1102, 1803386), (1508, 1317859), (1807, 1099796), (1996, 995657), (2204, 901693), (2641, 752492), (3614, 549898), (4031, 493012), (5282, 376246), (6487, 306356), (7163, 277444), (7228, 274949), (8062, 246506), (9481, 209612), (10564, 188123), (12974, 153178), (14326, 138722), (14471, 137332), (16124, 123253), (18962, 104806), (25948, 76589), (28652, 69361), (28942, 68666), (34333, 57884), (37924, 52403)]