16989035

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4079}}^1$

素因数の和:4115

約数の個数: 24

約数和(自身を含む): 25116480

約数和(自身を除く): 8127445

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4079, 4165, 20395, 28553, 69343, 142765, 199871, 346715, 485401, 999355, 2427005, 3397807, 16989035]

約数ペア:

[(1, 16989035), (5, 3397807), (7, 2427005), (17, 999355), (35, 485401), (49, 346715), (85, 199871), (119, 142765), (245, 69343), (595, 28553), (833, 20395), (4079, 4165)]