259800892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{20731}}^1$

素因数の和:20989

約数の個数: 24

約数和(自身を含む): 491680112

約数和(自身を除く): 231879220

約数列:

[1, 2, 4, 13, 26, 52, 241, 482, 964, 3133, 6266, 12532, 20731, 41462, 82924, 269503, 539006, 1078012, 4996171, 9992342, 19984684, 64950223, 129900446, 259800892]

約数ペア:

[(1, 259800892), (2, 129900446), (4, 64950223), (13, 19984684), (26, 9992342), (52, 4996171), (241, 1078012), (482, 539006), (964, 269503), (3133, 82924), (6266, 41462), (12532, 20731)]