28305972

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1427}}^1$

素因数の和:1485

約数の個数: 72

約数和(自身を含む): 77968800

約数和(自身を除く): 49662828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1427, 1653, 2204, 2854, 3306, 4281, 4959, 5708, 6612, 8562, 9918, 12843, 17124, 19836, 25686, 27113, 41383, 51372, 54226, 81339, 82766, 108452, 124149, 162678, 165532, 244017, 248298, 325356, 372447, 488034, 496596, 744894, 786277, 976068, 1489788, 1572554, 2358831, 3145108, 4717662, 7076493, 9435324, 14152986, 28305972]

約数ペア:

[(1, 28305972), (2, 14152986), (3, 9435324), (4, 7076493), (6, 4717662), (9, 3145108), (12, 2358831), (18, 1572554), (19, 1489788), (29, 976068), (36, 786277), (38, 744894), (57, 496596), (58, 488034), (76, 372447), (87, 325356), (114, 248298), (116, 244017), (171, 165532), (174, 162678), (228, 124149), (261, 108452), (342, 82766), (348, 81339), (522, 54226), (551, 51372), (684, 41383), (1044, 27113), (1102, 25686), (1427, 19836), (1653, 17124), (2204, 12843), (2854, 9918), (3306, 8562), (4281, 6612), (4959, 5708)]