7788502975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{6761}}^1$

素因数の和:6912

約数の個数: 48

約数和(自身を含む): 10866804480

約数和(自身を除く): 3078301505

約数列:

[1, 5, 11, 25, 55, 59, 71, 275, 295, 355, 649, 781, 1475, 1775, 3245, 3905, 4189, 6761, 16225, 19525, 20945, 33805, 46079, 74371, 104725, 169025, 230395, 371855, 398899, 480031, 1151975, 1859275, 1994495, 2400155, 4387889, 5280341, 9972475, 12000775, 21939445, 26401705, 28321829, 109697225, 132008525, 141609145, 311540119, 708045725, 1557700595, 7788502975]

約数ペア:

[(1, 7788502975), (5, 1557700595), (11, 708045725), (25, 311540119), (55, 141609145), (59, 132008525), (71, 109697225), (275, 28321829), (295, 26401705), (355, 21939445), (649, 12000775), (781, 9972475), (1475, 5280341), (1775, 4387889), (3245, 2400155), (3905, 1994495), (4189, 1859275), (6761, 1151975), (16225, 480031), (19525, 398899), (20945, 371855), (33805, 230395), (46079, 169025), (74371, 104725)]