204431408

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{12893}}^1$

素因数の和:13892

約数の個数: 20

約数和(自身を含む): 396516288

約数和(自身を除く): 192084880

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 12893, 15856, 25786, 51572, 103144, 206288, 12776963, 25553926, 51107852, 102215704, 204431408]

約数ペア:

[(1, 204431408), (2, 102215704), (4, 51107852), (8, 25553926), (16, 12776963), (991, 206288), (1982, 103144), (3964, 51572), (7928, 25786), (12893, 15856)]