208321790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{3761}}^1$

素因数の和:3988

約数の個数: 32

約数和(自身を含む): 390044160

約数和(自身を除く): 181722370

約数列:

[1, 2, 5, 10, 29, 58, 145, 191, 290, 382, 955, 1910, 3761, 5539, 7522, 11078, 18805, 27695, 37610, 55390, 109069, 218138, 545345, 718351, 1090690, 1436702, 3591755, 7183510, 20832179, 41664358, 104160895, 208321790]

約数ペア:

[(1, 208321790), (2, 104160895), (5, 41664358), (10, 20832179), (29, 7183510), (58, 3591755), (145, 1436702), (191, 1090690), (290, 718351), (382, 545345), (955, 218138), (1910, 109069), (3761, 55390), (5539, 37610), (7522, 27695), (11078, 18805)]