28712990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151121}}^1$

素因数の和:151147

約数の個数: 16

約数和(自身を含む): 54403920

約数和(自身を除く): 25690930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 151121, 302242, 755605, 1511210, 2871299, 5742598, 14356495, 28712990]

約数ペア:

[(1, 28712990), (2, 14356495), (5, 5742598), (10, 2871299), (19, 1511210), (38, 755605), (95, 302242), (190, 151121)]