28374216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 76944000

約数和(自身を除く): 48569784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 199, 312, 398, 457, 597, 796, 914, 1194, 1371, 1592, 1828, 2388, 2587, 2742, 3656, 4776, 5174, 5484, 5941, 7761, 10348, 10968, 11882, 15522, 17823, 20696, 23764, 31044, 35646, 47528, 62088, 71292, 90943, 142584, 181886, 272829, 363772, 545658, 727544, 1091316, 1182259, 2182632, 2364518, 3546777, 4729036, 7093554, 9458072, 14187108, 28374216]

約数ペア:

[(1, 28374216), (2, 14187108), (3, 9458072), (4, 7093554), (6, 4729036), (8, 3546777), (12, 2364518), (13, 2182632), (24, 1182259), (26, 1091316), (39, 727544), (52, 545658), (78, 363772), (104, 272829), (156, 181886), (199, 142584), (312, 90943), (398, 71292), (457, 62088), (597, 47528), (796, 35646), (914, 31044), (1194, 23764), (1371, 20696), (1592, 17823), (1828, 15522), (2388, 11882), (2587, 10968), (2742, 10348), (3656, 7761), (4776, 5941), (5174, 5484)]