2821976144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{1129}}^1$

素因数の和:1408

約数の個数: 80

約数和(自身を含む): 6020395920

約数和(自身を除く): 3198419776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 197, 208, 244, 394, 488, 788, 793, 976, 1129, 1576, 1586, 2258, 2561, 3152, 3172, 4516, 5122, 6344, 9032, 10244, 12017, 12688, 14677, 18064, 20488, 24034, 29354, 40976, 48068, 58708, 68869, 96136, 117416, 137738, 156221, 192272, 222413, 234832, 275476, 312442, 444826, 550952, 624884, 889652, 895297, 1101904, 1249768, 1779304, 1790594, 2499536, 2891369, 3558608, 3581188, 5782738, 7162376, 11565476, 13567193, 14324752, 23130952, 27134386, 46261904, 54268772, 108537544, 176373509, 217075088, 352747018, 705494036, 1410988072, 2821976144]

約数ペア:

[(1, 2821976144), (2, 1410988072), (4, 705494036), (8, 352747018), (13, 217075088), (16, 176373509), (26, 108537544), (52, 54268772), (61, 46261904), (104, 27134386), (122, 23130952), (197, 14324752), (208, 13567193), (244, 11565476), (394, 7162376), (488, 5782738), (788, 3581188), (793, 3558608), (976, 2891369), (1129, 2499536), (1576, 1790594), (1586, 1779304), (2258, 1249768), (2561, 1101904), (3152, 895297), (3172, 889652), (4516, 624884), (5122, 550952), (6344, 444826), (9032, 312442), (10244, 275476), (12017, 234832), (12688, 222413), (14677, 192272), (18064, 156221), (20488, 137738), (24034, 117416), (29354, 96136), (40976, 68869), (48068, 58708)]