28116324

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 74666592

約数和(自身を除く): 46550268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 369, 387, 443, 492, 516, 738, 774, 886, 1329, 1476, 1548, 1763, 1772, 2658, 3526, 3987, 5289, 5316, 7052, 7974, 10578, 15867, 15948, 18163, 19049, 21156, 31734, 36326, 38098, 54489, 57147, 63468, 72652, 76196, 108978, 114294, 163467, 171441, 217956, 228588, 326934, 342882, 653868, 685764, 781009, 1562018, 2343027, 3124036, 4686054, 7029081, 9372108, 14058162, 28116324]

約数ペア:

[(1, 28116324), (2, 14058162), (3, 9372108), (4, 7029081), (6, 4686054), (9, 3124036), (12, 2343027), (18, 1562018), (36, 781009), (41, 685764), (43, 653868), (82, 342882), (86, 326934), (123, 228588), (129, 217956), (164, 171441), (172, 163467), (246, 114294), (258, 108978), (369, 76196), (387, 72652), (443, 63468), (492, 57147), (516, 54489), (738, 38098), (774, 36326), (886, 31734), (1329, 21156), (1476, 19049), (1548, 18163), (1763, 15948), (1772, 15867), (2658, 10578), (3526, 7974), (3987, 7052), (5289, 5316)]