261521710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53047}}^1$

素因数の和:53100

約数の個数: 32

約数和(自身を含む): 515626560

約数和(自身を除く): 254104850

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 53047, 106094, 265235, 530470, 901799, 1538363, 1803598, 3076726, 4508995, 7691815, 9017990, 15383630, 26152171, 52304342, 130760855, 261521710]

約数ペア:

[(1, 261521710), (2, 130760855), (5, 52304342), (10, 26152171), (17, 15383630), (29, 9017990), (34, 7691815), (58, 4508995), (85, 3076726), (145, 1803598), (170, 1538363), (290, 901799), (493, 530470), (986, 265235), (2465, 106094), (4930, 53047)]