9889025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 13094400

約数和(自身を除く): 3205375

約数列:

[1, 5, 19, 25, 95, 109, 191, 475, 545, 955, 2071, 2725, 3629, 4775, 10355, 18145, 20819, 51775, 90725, 104095, 395561, 520475, 1977805, 9889025]

約数ペア:

[(1, 9889025), (5, 1977805), (19, 520475), (25, 395561), (95, 104095), (109, 90725), (191, 51775), (475, 20819), (545, 18145), (955, 10355), (2071, 4775), (2725, 3629)]