64938428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 126551040

約数和(自身を除く): 61612612

約数列:

[1, 2, 4, 19, 31, 38, 43, 62, 76, 86, 124, 172, 589, 641, 817, 1178, 1282, 1333, 1634, 2356, 2564, 2666, 3268, 5332, 12179, 19871, 24358, 25327, 27563, 39742, 48716, 50654, 55126, 79484, 101308, 110252, 377549, 523697, 755098, 854453, 1047394, 1510196, 1708906, 2094788, 3417812, 16234607, 32469214, 64938428]

約数ペア:

[(1, 64938428), (2, 32469214), (4, 16234607), (19, 3417812), (31, 2094788), (38, 1708906), (43, 1510196), (62, 1047394), (76, 854453), (86, 755098), (124, 523697), (172, 377549), (589, 110252), (641, 101308), (817, 79484), (1178, 55126), (1282, 50654), (1333, 48716), (1634, 39742), (2356, 27563), (2564, 25327), (2666, 24358), (3268, 19871), (5332, 12179)]