90791855

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 140849280

約数和(自身を除く): 50057425

約数列:

[1, 5, 7, 11, 35, 49, 55, 59, 77, 245, 295, 385, 413, 539, 571, 649, 2065, 2695, 2855, 2891, 3245, 3997, 4543, 6281, 14455, 19985, 22715, 27979, 31405, 31801, 33689, 43967, 139895, 159005, 168445, 219835, 235823, 307769, 370579, 1179115, 1538845, 1650761, 1852895, 2594053, 8253805, 12970265, 18158371, 90791855]

約数ペア:

[(1, 90791855), (5, 18158371), (7, 12970265), (11, 8253805), (35, 2594053), (49, 1852895), (55, 1650761), (59, 1538845), (77, 1179115), (245, 370579), (295, 307769), (385, 235823), (413, 219835), (539, 168445), (571, 159005), (649, 139895), (2065, 43967), (2695, 33689), (2855, 31801), (2891, 31405), (3245, 27979), (3997, 22715), (4543, 19985), (6281, 14455)]