28943226

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 68009760

約数和(自身を除く): 39066534

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 179, 234, 358, 537, 691, 1074, 1382, 1611, 2073, 2327, 3222, 4146, 4654, 6219, 6981, 8983, 12438, 13962, 17966, 20943, 26949, 41886, 53898, 80847, 123689, 161694, 247378, 371067, 742134, 1113201, 1607957, 2226402, 3215914, 4823871, 9647742, 14471613, 28943226]

約数ペア:

[(1, 28943226), (2, 14471613), (3, 9647742), (6, 4823871), (9, 3215914), (13, 2226402), (18, 1607957), (26, 1113201), (39, 742134), (78, 371067), (117, 247378), (179, 161694), (234, 123689), (358, 80847), (537, 53898), (691, 41886), (1074, 26949), (1382, 20943), (1611, 17966), (2073, 13962), (2327, 12438), (3222, 8983), (4146, 6981), (4654, 6219)]