81423252

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 219542400

約数和(自身を除く): 138119148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 89, 108, 129, 172, 178, 197, 258, 267, 356, 387, 394, 516, 534, 591, 774, 788, 801, 1068, 1161, 1182, 1548, 1602, 1773, 2322, 2364, 2403, 3204, 3546, 3827, 4644, 4806, 5319, 7092, 7654, 8471, 9612, 10638, 11481, 15308, 16942, 17533, 21276, 22962, 25413, 33884, 34443, 35066, 45924, 50826, 52599, 68886, 70132, 76239, 101652, 103329, 105198, 137772, 152478, 157797, 206658, 210396, 228717, 304956, 315594, 413316, 457434, 473391, 631188, 753919, 914868, 946782, 1507838, 1893564, 2261757, 3015676, 4523514, 6785271, 9047028, 13570542, 20355813, 27141084, 40711626, 81423252]

約数ペア:

[(1, 81423252), (2, 40711626), (3, 27141084), (4, 20355813), (6, 13570542), (9, 9047028), (12, 6785271), (18, 4523514), (27, 3015676), (36, 2261757), (43, 1893564), (54, 1507838), (86, 946782), (89, 914868), (108, 753919), (129, 631188), (172, 473391), (178, 457434), (197, 413316), (258, 315594), (267, 304956), (356, 228717), (387, 210396), (394, 206658), (516, 157797), (534, 152478), (591, 137772), (774, 105198), (788, 103329), (801, 101652), (1068, 76239), (1161, 70132), (1182, 68886), (1548, 52599), (1602, 50826), (1773, 45924), (2322, 35066), (2364, 34443), (2403, 33884), (3204, 25413), (3546, 22962), (3827, 21276), (4644, 17533), (4806, 16942), (5319, 15308), (7092, 11481), (7654, 10638), (8471, 9612)]