71297975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 109159680

約数和(自身を除く): 37861705

約数列:

[1, 5, 7, 19, 25, 35, 41, 95, 133, 175, 205, 287, 475, 523, 665, 779, 1025, 1435, 2615, 3325, 3661, 3895, 5453, 7175, 9937, 13075, 18305, 19475, 21443, 27265, 49685, 69559, 91525, 107215, 136325, 150101, 248425, 347795, 407417, 536075, 750505, 1738975, 2037085, 2851919, 3752525, 10185425, 14259595, 71297975]

約数ペア:

[(1, 71297975), (5, 14259595), (7, 10185425), (19, 3752525), (25, 2851919), (35, 2037085), (41, 1738975), (95, 750505), (133, 536075), (175, 407417), (205, 347795), (287, 248425), (475, 150101), (523, 136325), (665, 107215), (779, 91525), (1025, 69559), (1435, 49685), (2615, 27265), (3325, 21443), (3661, 19475), (3895, 18305), (5453, 13075), (7175, 9937)]