157122959

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 206841600

約数和(自身を除く): 49718641

約数列:

[1, 7, 17, 23, 49, 59, 119, 139, 161, 391, 413, 833, 973, 1003, 1127, 1357, 2363, 2737, 2891, 3197, 6811, 7021, 8201, 9499, 16541, 19159, 22379, 23069, 49147, 54349, 57407, 66493, 115787, 139417, 156653, 161483, 188623, 380443, 401849, 975919, 1130381, 1320361, 2663101, 3206591, 6831433, 9242527, 22446137, 157122959]

約数ペア:

[(1, 157122959), (7, 22446137), (17, 9242527), (23, 6831433), (49, 3206591), (59, 2663101), (119, 1320361), (139, 1130381), (161, 975919), (391, 401849), (413, 380443), (833, 188623), (973, 161483), (1003, 156653), (1127, 139417), (1357, 115787), (2363, 66493), (2737, 57407), (2891, 54349), (3197, 49147), (6811, 23069), (7021, 22379), (8201, 19159), (9499, 16541)]