199867415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 272607552

約数和(自身を除く): 72740137

約数列:

[1, 5, 11, 41, 55, 61, 205, 305, 451, 671, 1453, 2255, 2501, 3355, 7265, 12505, 15983, 27511, 59573, 79915, 88633, 137555, 297865, 443165, 655303, 974963, 3276515, 3633953, 4874815, 18169765, 39973483, 199867415]

約数ペア:

[(1, 199867415), (5, 39973483), (11, 18169765), (41, 4874815), (55, 3633953), (61, 3276515), (205, 974963), (305, 655303), (451, 443165), (671, 297865), (1453, 137555), (2255, 88633), (2501, 79915), (3355, 59573), (7265, 27511), (12505, 15983)]