25688676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 66407040

約数和(自身を除く): 40718364

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 169, 212, 239, 318, 338, 478, 507, 636, 676, 689, 717, 956, 1014, 1378, 1434, 2028, 2067, 2756, 2868, 3107, 4134, 6214, 8268, 8957, 9321, 12428, 12667, 17914, 18642, 25334, 26871, 35828, 37284, 38001, 40391, 50668, 53742, 76002, 80782, 107484, 121173, 152004, 161564, 164671, 242346, 329342, 484692, 494013, 658684, 988026, 1976052, 2140723, 4281446, 6422169, 8562892, 12844338, 25688676]

約数ペア:

[(1, 25688676), (2, 12844338), (3, 8562892), (4, 6422169), (6, 4281446), (12, 2140723), (13, 1976052), (26, 988026), (39, 658684), (52, 494013), (53, 484692), (78, 329342), (106, 242346), (156, 164671), (159, 161564), (169, 152004), (212, 121173), (239, 107484), (318, 80782), (338, 76002), (478, 53742), (507, 50668), (636, 40391), (676, 38001), (689, 37284), (717, 35828), (956, 26871), (1014, 25334), (1378, 18642), (1434, 17914), (2028, 12667), (2067, 12428), (2756, 9321), (2868, 8957), (3107, 8268), (4134, 6214)]