28199388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{863}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 75479040

約数和(自身を除く): 47279652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 389, 778, 863, 1167, 1556, 1726, 2334, 2589, 2723, 3452, 4668, 5178, 5446, 6041, 8169, 10356, 10892, 12082, 16338, 18123, 24164, 32676, 36246, 72492, 335707, 671414, 1007121, 1342828, 2014242, 2349949, 4028484, 4699898, 7049847, 9399796, 14099694, 28199388]

約数ペア:

[(1, 28199388), (2, 14099694), (3, 9399796), (4, 7049847), (6, 4699898), (7, 4028484), (12, 2349949), (14, 2014242), (21, 1342828), (28, 1007121), (42, 671414), (84, 335707), (389, 72492), (778, 36246), (863, 32676), (1167, 24164), (1556, 18123), (1726, 16338), (2334, 12082), (2589, 10892), (2723, 10356), (3452, 8169), (4668, 6041), (5178, 5446)]