71218175

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21419}}^1$

素因数の和:21455

約数の個数: 24

約数和(自身を含む): 106243200

約数和(自身を除く): 35025025

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 21419, 107095, 149933, 406961, 535475, 749665, 2034805, 2848727, 3748325, 10174025, 14243635, 71218175]

約数ペア:

[(1, 71218175), (5, 14243635), (7, 10174025), (19, 3748325), (25, 2848727), (35, 2034805), (95, 749665), (133, 535475), (175, 406961), (475, 149933), (665, 107095), (3325, 21419)]