68213392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 81777008

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 71, 104, 124, 142, 149, 208, 248, 284, 298, 403, 496, 568, 596, 806, 923, 1136, 1192, 1612, 1846, 1937, 2201, 2384, 3224, 3692, 3874, 4402, 4619, 6448, 7384, 7748, 8804, 9238, 10579, 14768, 15496, 17608, 18476, 21158, 28613, 30992, 35216, 36952, 42316, 57226, 60047, 73904, 84632, 114452, 120094, 137527, 169264, 228904, 240188, 275054, 327949, 457808, 480376, 550108, 655898, 960752, 1100216, 1311796, 2200432, 2623592, 4263337, 5247184, 8526674, 17053348, 34106696, 68213392]

約数ペア:

[(1, 68213392), (2, 34106696), (4, 17053348), (8, 8526674), (13, 5247184), (16, 4263337), (26, 2623592), (31, 2200432), (52, 1311796), (62, 1100216), (71, 960752), (104, 655898), (124, 550108), (142, 480376), (149, 457808), (208, 327949), (248, 275054), (284, 240188), (298, 228904), (403, 169264), (496, 137527), (568, 120094), (596, 114452), (806, 84632), (923, 73904), (1136, 60047), (1192, 57226), (1612, 42316), (1846, 36952), (1937, 35216), (2201, 30992), (2384, 28613), (3224, 21158), (3692, 18476), (3874, 17608), (4402, 15496), (4619, 14768), (6448, 10579), (7384, 9238), (7748, 8804)]