17874025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 24442880

約数和(自身を除く): 6568855

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 1279, 2795, 6395, 13975, 16627, 31975, 54997, 83135, 274985, 415675, 714961, 1374925, 3574805, 17874025]

約数ペア:

[(1, 17874025), (5, 3574805), (13, 1374925), (25, 714961), (43, 415675), (65, 274985), (215, 83135), (325, 54997), (559, 31975), (1075, 16627), (1279, 13975), (2795, 6395)]