1900631579

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 2543385600

約数和(自身を除く): 642754021

約数列:

[1, 7, 11, 19, 77, 89, 121, 133, 209, 623, 847, 979, 1327, 1463, 1691, 2299, 6853, 9289, 10769, 11837, 14597, 16093, 18601, 25213, 75383, 102179, 118103, 130207, 160567, 176491, 204611, 277343, 826721, 1123969, 1299133, 1432277, 1941401, 2243957, 3050773, 9093931, 14290463, 15707699, 21355411, 24683527, 100033241, 172784689, 271518797, 1900631579]

約数ペア:

[(1, 1900631579), (7, 271518797), (11, 172784689), (19, 100033241), (77, 24683527), (89, 21355411), (121, 15707699), (133, 14290463), (209, 9093931), (623, 3050773), (847, 2243957), (979, 1941401), (1327, 1432277), (1463, 1299133), (1691, 1123969), (2299, 826721), (6853, 277343), (9289, 204611), (10769, 176491), (11837, 160567), (14597, 130207), (16093, 118103), (18601, 102179), (25213, 75383)]