71427125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 114476544

約数和(自身を除く): 43049419

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 125, 175, 181, 205, 275, 287, 385, 451, 875, 905, 1025, 1267, 1375, 1435, 1925, 1991, 2255, 3157, 4525, 5125, 6335, 7175, 7421, 9625, 9955, 11275, 13937, 15785, 22625, 31675, 35875, 37105, 49775, 51947, 56375, 69685, 78925, 81631, 158375, 185525, 248875, 259735, 348425, 394625, 408155, 571417, 927625, 1298675, 1742125, 2040775, 2857085, 6493375, 10203875, 14285425, 71427125]

約数ペア:

[(1, 71427125), (5, 14285425), (7, 10203875), (11, 6493375), (25, 2857085), (35, 2040775), (41, 1742125), (55, 1298675), (77, 927625), (125, 571417), (175, 408155), (181, 394625), (205, 348425), (275, 259735), (287, 248875), (385, 185525), (451, 158375), (875, 81631), (905, 78925), (1025, 69685), (1267, 56375), (1375, 51947), (1435, 49775), (1925, 37105), (1991, 35875), (2255, 31675), (3157, 22625), (4525, 15785), (5125, 13937), (6335, 11275), (7175, 9955), (7421, 9625)]