193996957

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 250617600

約数和(自身を除く): 56620643

約数列:

[1, 7, 11, 37, 77, 149, 259, 407, 457, 1043, 1639, 2849, 3199, 5027, 5513, 11473, 16909, 35189, 38591, 60643, 68093, 118363, 185999, 424501, 476651, 749023, 1301993, 2519441, 5243161, 17636087, 27713851, 193996957]

約数ペア:

[(1, 193996957), (7, 27713851), (11, 17636087), (37, 5243161), (77, 2519441), (149, 1301993), (259, 749023), (407, 476651), (457, 424501), (1043, 185999), (1639, 118363), (2849, 68093), (3199, 60643), (5027, 38591), (5513, 35189), (11473, 16909)]