28147938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1719

約数の個数: 64

約数和(自身を含む): 71565312

約数和(自身を除く): 43417374

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1302, 1663, 2418, 2821, 3326, 4989, 5642, 8463, 9978, 11641, 16926, 21619, 23282, 34923, 43238, 51553, 64857, 69846, 103106, 129714, 151333, 154659, 302666, 309318, 360871, 453999, 670189, 721742, 907998, 1082613, 1340378, 2010567, 2165226, 4021134, 4691323, 9382646, 14073969, 28147938]

約数ペア:

[(1, 28147938), (2, 14073969), (3, 9382646), (6, 4691323), (7, 4021134), (13, 2165226), (14, 2010567), (21, 1340378), (26, 1082613), (31, 907998), (39, 721742), (42, 670189), (62, 453999), (78, 360871), (91, 309318), (93, 302666), (182, 154659), (186, 151333), (217, 129714), (273, 103106), (403, 69846), (434, 64857), (546, 51553), (651, 43238), (806, 34923), (1209, 23282), (1302, 21619), (1663, 16926), (2418, 11641), (2821, 9978), (3326, 8463), (4989, 5642)]