1640883944

素因数分解:

$2^3\times 7^1\times {\mathrm{1609}}^1\times {\mathrm{18211}}^1$

素因数の和:19833

約数の個数: 32

約数和(自身を含む): 3518558400

約数和(自身を除く): 1877674456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1609, 3218, 6436, 11263, 12872, 18211, 22526, 36422, 45052, 72844, 90104, 127477, 145688, 254954, 509908, 1019816, 29301499, 58602998, 117205996, 205110493, 234411992, 410220986, 820441972, 1640883944]

約数ペア:

[(1, 1640883944), (2, 820441972), (4, 410220986), (7, 234411992), (8, 205110493), (14, 117205996), (28, 58602998), (56, 29301499), (1609, 1019816), (3218, 509908), (6436, 254954), (11263, 145688), (12872, 127477), (18211, 90104), (22526, 72844), (36422, 45052)]