216888784

素因数分解:

$2^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{6991}}^1$

素因数の和:7283

約数の個数: 40

約数和(自身を含む): 482056448

約数和(自身を除く): 265167664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 277, 554, 1108, 1939, 2216, 3878, 4432, 6991, 7756, 13982, 15512, 27964, 31024, 48937, 55928, 97874, 111856, 195748, 391496, 782992, 1936507, 3873014, 7746028, 13555549, 15492056, 27111098, 30984112, 54222196, 108444392, 216888784]

約数ペア:

[(1, 216888784), (2, 108444392), (4, 54222196), (7, 30984112), (8, 27111098), (14, 15492056), (16, 13555549), (28, 7746028), (56, 3873014), (112, 1936507), (277, 782992), (554, 391496), (1108, 195748), (1939, 111856), (2216, 97874), (3878, 55928), (4432, 48937), (6991, 31024), (7756, 27964), (13982, 15512)]