128774401

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 157495104

約数和(自身を除く): 28720703

約数列:

[1, 7, 23, 49, 161, 163, 701, 1127, 1141, 3749, 4907, 7987, 16123, 26243, 34349, 112861, 114263, 183701, 790027, 799841, 2628049, 5598887, 18396343, 128774401]

約数ペア:

[(1, 128774401), (7, 18396343), (23, 5598887), (49, 2628049), (161, 799841), (163, 790027), (701, 183701), (1127, 114263), (1141, 112861), (3749, 34349), (4907, 26243), (7987, 16123)]