789616269

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 80

約数和(自身を含む): 1361162880

約数和(自身を除く): 571546611

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 61, 81, 117, 171, 183, 247, 351, 513, 549, 647, 741, 793, 1053, 1159, 1539, 1647, 1941, 2223, 2379, 3477, 4941, 5823, 6669, 7137, 8411, 10431, 12293, 15067, 17469, 20007, 21411, 25233, 31293, 36879, 39467, 45201, 52407, 64233, 75699, 93879, 110637, 118401, 135603, 159809, 227097, 331911, 355203, 406809, 479427, 513071, 681291, 749873, 995733, 1065609, 1220427, 1438281, 1539213, 2249619, 3196827, 4314843, 4617639, 6748857, 9748349, 12944529, 13852917, 20246571, 29245047, 41558751, 60739713, 87735141, 263205423, 789616269]

約数ペア:

[(1, 789616269), (3, 263205423), (9, 87735141), (13, 60739713), (19, 41558751), (27, 29245047), (39, 20246571), (57, 13852917), (61, 12944529), (81, 9748349), (117, 6748857), (171, 4617639), (183, 4314843), (247, 3196827), (351, 2249619), (513, 1539213), (549, 1438281), (647, 1220427), (741, 1065609), (793, 995733), (1053, 749873), (1159, 681291), (1539, 513071), (1647, 479427), (1941, 406809), (2223, 355203), (2379, 331911), (3477, 227097), (4941, 159809), (5823, 135603), (6669, 118401), (7137, 110637), (8411, 93879), (10431, 75699), (12293, 64233), (15067, 52407), (17469, 45201), (20007, 39467), (21411, 36879), (25233, 31293)]