25279996

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 52899840

約数和(自身を除く): 27619844

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 163, 191, 203, 326, 382, 406, 652, 764, 812, 1141, 1337, 2282, 2674, 4564, 4727, 5348, 5539, 9454, 11078, 18908, 22156, 31133, 33089, 38773, 62266, 66178, 77546, 124532, 132356, 155092, 217931, 435862, 871724, 902857, 1805714, 3611428, 6319999, 12639998, 25279996]

約数ペア:

[(1, 25279996), (2, 12639998), (4, 6319999), (7, 3611428), (14, 1805714), (28, 902857), (29, 871724), (58, 435862), (116, 217931), (163, 155092), (191, 132356), (203, 124532), (326, 77546), (382, 66178), (406, 62266), (652, 38773), (764, 33089), (812, 31133), (1141, 22156), (1337, 18908), (2282, 11078), (2674, 9454), (4564, 5539), (4727, 5348)]