28319972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 51004800

約数和(自身を除く): 22684828

約数列:

[1, 2, 4, 43, 86, 172, 229, 458, 719, 916, 1438, 2876, 9847, 19694, 30917, 39388, 61834, 123668, 164651, 329302, 658604, 7079993, 14159986, 28319972]

約数ペア:

[(1, 28319972), (2, 14159986), (4, 7079993), (43, 658604), (86, 329302), (172, 164651), (229, 123668), (458, 61834), (719, 39388), (916, 30917), (1438, 19694), (2876, 9847)]