215157992

素因数分解:

$2^3\times 7^1\times {\mathrm{991}}^1\times {\mathrm{3877}}^1$

素因数の和:4881

約数の個数: 32

約数和(自身を含む): 461637120

約数和(自身を除く): 246479128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 991, 1982, 3877, 3964, 6937, 7754, 7928, 13874, 15508, 27139, 27748, 31016, 54278, 55496, 108556, 217112, 3842107, 7684214, 15368428, 26894749, 30736856, 53789498, 107578996, 215157992]

約数ペア:

[(1, 215157992), (2, 107578996), (4, 53789498), (7, 30736856), (8, 26894749), (14, 15368428), (28, 7684214), (56, 3842107), (991, 217112), (1982, 108556), (3877, 55496), (3964, 54278), (6937, 31016), (7754, 27748), (7928, 27139), (13874, 15508)]