281450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:458

約数の個数: 24

約数和(自身を含む): 565068

約数和(自身を除く): 283618

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 433, 650, 866, 2165, 4330, 5629, 10825, 11258, 21650, 28145, 56290, 140725, 281450]

約数ペア:

[(1, 281450), (2, 140725), (5, 56290), (10, 28145), (13, 21650), (25, 11258), (26, 10825), (50, 5629), (65, 4330), (130, 2165), (325, 866), (433, 650)]