1278779556

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{859}}^1\times {\mathrm{947}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 3013274880

約数和(自身を除く): 1734495324

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 859, 947, 1572, 1718, 1894, 2577, 2841, 3436, 3788, 5154, 5682, 10308, 11364, 112529, 124057, 225058, 248114, 337587, 372171, 450116, 496228, 675174, 744342, 813473, 1350348, 1488684, 1626946, 2440419, 3253892, 4880838, 9761676, 106564963, 213129926, 319694889, 426259852, 639389778, 1278779556]

約数ペア:

[(1, 1278779556), (2, 639389778), (3, 426259852), (4, 319694889), (6, 213129926), (12, 106564963), (131, 9761676), (262, 4880838), (393, 3253892), (524, 2440419), (786, 1626946), (859, 1488684), (947, 1350348), (1572, 813473), (1718, 744342), (1894, 675174), (2577, 496228), (2841, 450116), (3436, 372171), (3788, 337587), (5154, 248114), (5682, 225058), (10308, 124057), (11364, 112529)]