198448481

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 254880000

約数和(自身を除く): 56431519

約数列:

[1, 7, 11, 49, 77, 149, 343, 353, 539, 1043, 1639, 2471, 3773, 3883, 7301, 11473, 17297, 27181, 51107, 52597, 80311, 121079, 190267, 368179, 562177, 578567, 1331869, 2577253, 4049969, 18040771, 28349783, 198448481]

約数ペア:

[(1, 198448481), (7, 28349783), (11, 18040771), (49, 4049969), (77, 2577253), (149, 1331869), (343, 578567), (353, 562177), (539, 368179), (1043, 190267), (1639, 121079), (2471, 80311), (3773, 52597), (3883, 51107), (7301, 27181), (11473, 17297)]