839003975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{877}}^1\times {\mathrm{2251}}^1$

素因数の和:3155

約数の個数: 24

約数和(自身を含む): 1103308848

約数和(自身を除く): 264304873

約数列:

[1, 5, 17, 25, 85, 425, 877, 2251, 4385, 11255, 14909, 21925, 38267, 56275, 74545, 191335, 372725, 956675, 1974127, 9870635, 33560159, 49353175, 167800795, 839003975]

約数ペア:

[(1, 839003975), (5, 167800795), (17, 49353175), (25, 33560159), (85, 9870635), (425, 1974127), (877, 956675), (2251, 372725), (4385, 191335), (11255, 74545), (14909, 56275), (21925, 38267)]