28243516

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14207}}^1$

素因数の和:14289

約数の個数: 24

約数和(自身を含む): 57286656

約数和(自身を除く): 29043140

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 14207, 28414, 56828, 99449, 198898, 397796, 1008697, 2017394, 4034788, 7060879, 14121758, 28243516]

約数ペア:

[(1, 28243516), (2, 14121758), (4, 7060879), (7, 4034788), (14, 2017394), (28, 1008697), (71, 397796), (142, 198898), (284, 99449), (497, 56828), (994, 28414), (1988, 14207)]