7142245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 9953280

約数和(自身を除く): 2811035

約数列:

[1, 5, 11, 31, 55, 59, 71, 155, 295, 341, 355, 649, 781, 1705, 1829, 2201, 3245, 3905, 4189, 9145, 11005, 20119, 20945, 24211, 46079, 100595, 121055, 129859, 230395, 649295, 1428449, 7142245]

約数ペア:

[(1, 7142245), (5, 1428449), (11, 649295), (31, 230395), (55, 129859), (59, 121055), (71, 100595), (155, 46079), (295, 24211), (341, 20945), (355, 20119), (649, 11005), (781, 9145), (1705, 4189), (1829, 3905), (2201, 3245)]