12868975

素因数分解:

$5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 18395648

約数和(自身を除く): 5526673

約数列:

[1, 5, 7, 25, 35, 151, 175, 487, 755, 1057, 2435, 3409, 3775, 5285, 12175, 17045, 26425, 73537, 85225, 367685, 514759, 1838425, 2573795, 12868975]

約数ペア:

[(1, 12868975), (5, 2573795), (7, 1838425), (25, 514759), (35, 367685), (151, 85225), (175, 73537), (487, 26425), (755, 17045), (1057, 12175), (2435, 5285), (3409, 3775)]