726498136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1089

約数の個数: 128

約数和(自身を含む): 1799884800

約数和(自身を除く): 1073386664

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 53, 56, 76, 91, 104, 106, 133, 152, 182, 212, 247, 266, 364, 371, 424, 494, 532, 689, 728, 742, 988, 991, 1007, 1064, 1378, 1484, 1729, 1976, 1982, 2014, 2756, 2968, 3458, 3964, 4028, 4823, 5512, 6916, 6937, 7049, 7928, 8056, 9646, 12883, 13091, 13832, 13874, 14098, 18829, 19292, 25766, 26182, 27748, 28196, 37658, 38584, 51532, 52364, 52523, 55496, 56392, 75316, 90181, 91637, 103064, 104728, 105046, 131803, 150632, 180362, 183274, 210092, 244777, 263606, 360724, 366548, 367661, 420184, 489554, 527212, 682799, 721448, 733096, 735322, 979108, 997937, 1054424, 1365598, 1470644, 1713439, 1958216, 1995874, 2731196, 2941288, 3426878, 3991748, 4779593, 5462392, 6853756, 6985559, 7983496, 9559186, 12973181, 13707512, 13971118, 19118372, 25946362, 27942236, 38236744, 51892724, 55884472, 90812267, 103785448, 181624534, 363249068, 726498136]

約数ペア:

[(1, 726498136), (2, 363249068), (4, 181624534), (7, 103785448), (8, 90812267), (13, 55884472), (14, 51892724), (19, 38236744), (26, 27942236), (28, 25946362), (38, 19118372), (52, 13971118), (53, 13707512), (56, 12973181), (76, 9559186), (91, 7983496), (104, 6985559), (106, 6853756), (133, 5462392), (152, 4779593), (182, 3991748), (212, 3426878), (247, 2941288), (266, 2731196), (364, 1995874), (371, 1958216), (424, 1713439), (494, 1470644), (532, 1365598), (689, 1054424), (728, 997937), (742, 979108), (988, 735322), (991, 733096), (1007, 721448), (1064, 682799), (1378, 527212), (1484, 489554), (1729, 420184), (1976, 367661), (1982, 366548), (2014, 360724), (2756, 263606), (2968, 244777), (3458, 210092), (3964, 183274), (4028, 180362), (4823, 150632), (5512, 131803), (6916, 105046), (6937, 104728), (7049, 103064), (7928, 91637), (8056, 90181), (9646, 75316), (12883, 56392), (13091, 55496), (13832, 52523), (13874, 52364), (14098, 51532), (18829, 38584), (19292, 37658), (25766, 28196), (26182, 27748)]