28267090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{9781}}^1$

素因数の和:9822

約数の個数: 24

約数和(自身を含む): 54055332

約数和(自身を除く): 25788242

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 9781, 19562, 48905, 97810, 166277, 332554, 831385, 1662770, 2826709, 5653418, 14133545, 28267090]

約数ペア:

[(1, 28267090), (2, 14133545), (5, 5653418), (10, 2826709), (17, 1662770), (34, 831385), (85, 332554), (170, 166277), (289, 97810), (578, 48905), (1445, 19562), (2890, 9781)]