2021921605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{563}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 2947166208

約数和(自身を除く): 925244603

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 167, 187, 253, 391, 563, 835, 935, 1265, 1837, 1955, 2815, 2839, 3841, 4301, 6193, 9185, 9571, 12949, 14195, 19205, 21505, 30965, 31229, 42251, 47855, 64745, 65297, 94021, 105281, 142439, 156145, 211255, 220133, 326485, 470105, 526405, 712195, 718267, 1034231, 1100665, 1598357, 2162483, 2421463, 3591335, 5171155, 7991785, 10812415, 12107315, 17581927, 23787313, 36762211, 87909635, 118936565, 183811055, 404384321, 2021921605]

約数ペア:

[(1, 2021921605), (5, 404384321), (11, 183811055), (17, 118936565), (23, 87909635), (55, 36762211), (85, 23787313), (115, 17581927), (167, 12107315), (187, 10812415), (253, 7991785), (391, 5171155), (563, 3591335), (835, 2421463), (935, 2162483), (1265, 1598357), (1837, 1100665), (1955, 1034231), (2815, 718267), (2839, 712195), (3841, 526405), (4301, 470105), (6193, 326485), (9185, 220133), (9571, 211255), (12949, 156145), (14195, 142439), (19205, 105281), (21505, 94021), (30965, 65297), (31229, 64745), (42251, 47855)]