28478754

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 64654200

約数和(自身を除く): 36175446

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 89, 174, 178, 261, 267, 522, 534, 613, 801, 1226, 1602, 1839, 2581, 3678, 5162, 5517, 7743, 11034, 15486, 17777, 23229, 35554, 46458, 53331, 54557, 106662, 109114, 159993, 163671, 319986, 327342, 491013, 982026, 1582153, 3164306, 4746459, 9492918, 14239377, 28478754]

約数ペア:

[(1, 28478754), (2, 14239377), (3, 9492918), (6, 4746459), (9, 3164306), (18, 1582153), (29, 982026), (58, 491013), (87, 327342), (89, 319986), (174, 163671), (178, 159993), (261, 109114), (267, 106662), (522, 54557), (534, 53331), (613, 46458), (801, 35554), (1226, 23229), (1602, 17777), (1839, 15486), (2581, 11034), (3678, 7743), (5162, 5517)]