28635152

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 69495552

約数和(自身を除く): 40860400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 277, 284, 364, 497, 554, 568, 728, 923, 994, 1108, 1136, 1456, 1846, 1939, 1988, 2216, 3601, 3692, 3878, 3976, 4432, 6461, 7202, 7384, 7756, 7952, 12922, 14404, 14768, 15512, 19667, 25207, 25844, 28808, 31024, 39334, 50414, 51688, 57616, 78668, 100828, 103376, 137669, 157336, 201656, 255671, 275338, 314672, 403312, 511342, 550676, 1022684, 1101352, 1789697, 2045368, 2202704, 3579394, 4090736, 7158788, 14317576, 28635152]

約数ペア:

[(1, 28635152), (2, 14317576), (4, 7158788), (7, 4090736), (8, 3579394), (13, 2202704), (14, 2045368), (16, 1789697), (26, 1101352), (28, 1022684), (52, 550676), (56, 511342), (71, 403312), (91, 314672), (104, 275338), (112, 255671), (142, 201656), (182, 157336), (208, 137669), (277, 103376), (284, 100828), (364, 78668), (497, 57616), (554, 51688), (568, 50414), (728, 39334), (923, 31024), (994, 28808), (1108, 25844), (1136, 25207), (1456, 19667), (1846, 15512), (1939, 14768), (1988, 14404), (2216, 12922), (3601, 7952), (3692, 7756), (3878, 7384), (3976, 7202), (4432, 6461)]