263139876

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{169987}}^1$

素因数の和:170040

約数の個数: 36

約数和(自身を含む): 680631952

約数和(自身を除く): 417492076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 169987, 339974, 509961, 679948, 1019922, 1529883, 2039844, 3059766, 6119532, 7309441, 14618882, 21928323, 29237764, 43856646, 65784969, 87713292, 131569938, 263139876]

約数ペア:

[(1, 263139876), (2, 131569938), (3, 87713292), (4, 65784969), (6, 43856646), (9, 29237764), (12, 21928323), (18, 14618882), (36, 7309441), (43, 6119532), (86, 3059766), (129, 2039844), (172, 1529883), (258, 1019922), (387, 679948), (516, 509961), (774, 339974), (1548, 169987)]