178143119

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 251983872

約数和(自身を除く): 73840753

約数列:

[1, 7, 11, 17, 23, 61, 77, 97, 119, 161, 187, 253, 391, 427, 671, 679, 1037, 1067, 1309, 1403, 1649, 1771, 2231, 2737, 4301, 4697, 5917, 7259, 7469, 9821, 11407, 11543, 15433, 15617, 18139, 23851, 24541, 30107, 37927, 41419, 65087, 79849, 100589, 108031, 126973, 136091, 166957, 171787, 262361, 265489, 417197, 455609, 704123, 952637, 1106479, 1497001, 1836527, 2313547, 2920379, 7745353, 10479007, 16194829, 25449017, 178143119]

約数ペア:

[(1, 178143119), (7, 25449017), (11, 16194829), (17, 10479007), (23, 7745353), (61, 2920379), (77, 2313547), (97, 1836527), (119, 1497001), (161, 1106479), (187, 952637), (253, 704123), (391, 455609), (427, 417197), (671, 265489), (679, 262361), (1037, 171787), (1067, 166957), (1309, 136091), (1403, 126973), (1649, 108031), (1771, 100589), (2231, 79849), (2737, 65087), (4301, 41419), (4697, 37927), (5917, 30107), (7259, 24541), (7469, 23851), (9821, 18139), (11407, 15617), (11543, 15433)]