31505872

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{1987}}^1$

素因数の和:2986

約数の個数: 20

約数和(自身を含む): 61134976

約数和(自身を除く): 29629104

約数列:

[1, 2, 4, 8, 16, 991, 1982, 1987, 3964, 3974, 7928, 7948, 15856, 15896, 31792, 1969117, 3938234, 7876468, 15752936, 31505872]

約数ペア:

[(1, 31505872), (2, 15752936), (4, 7876468), (8, 3938234), (16, 1969117), (991, 31792), (1982, 15896), (1987, 15856), (3964, 7948), (3974, 7928)]