538469876

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{4463}}^1$

素因数の和:4644

約数の個数: 48

約数和(自身を含む): 1119928320

約数和(自身を除く): 581458444

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 139, 217, 278, 434, 556, 868, 973, 1946, 3892, 4309, 4463, 8618, 8926, 17236, 17852, 30163, 31241, 60326, 62482, 120652, 124964, 138353, 276706, 553412, 620357, 968471, 1240714, 1936942, 2481428, 3873884, 4342499, 8684998, 17369996, 19231067, 38462134, 76924268, 134617469, 269234938, 538469876]

約数ペア:

[(1, 538469876), (2, 269234938), (4, 134617469), (7, 76924268), (14, 38462134), (28, 19231067), (31, 17369996), (62, 8684998), (124, 4342499), (139, 3873884), (217, 2481428), (278, 1936942), (434, 1240714), (556, 968471), (868, 620357), (973, 553412), (1946, 276706), (3892, 138353), (4309, 124964), (4463, 120652), (8618, 62482), (8926, 60326), (17236, 31241), (17852, 30163)]