66438268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{691}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 128375688

約数和(自身を除く): 61937420

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 691, 1118, 1382, 1849, 2236, 2764, 3698, 7396, 8983, 17966, 24037, 29713, 35932, 48074, 59426, 96148, 118852, 386269, 772538, 1277659, 1545076, 2555318, 5110636, 16609567, 33219134, 66438268]

約数ペア:

[(1, 66438268), (2, 33219134), (4, 16609567), (13, 5110636), (26, 2555318), (43, 1545076), (52, 1277659), (86, 772538), (172, 386269), (559, 118852), (691, 96148), (1118, 59426), (1382, 48074), (1849, 35932), (2236, 29713), (2764, 24037), (3698, 17966), (7396, 8983)]