28185588

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 76003200

約数和(自身を除く): 47817612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 89, 114, 171, 178, 228, 267, 342, 356, 463, 534, 684, 801, 926, 1068, 1389, 1602, 1691, 1852, 2778, 3204, 3382, 4167, 5073, 5556, 6764, 8334, 8797, 10146, 15219, 16668, 17594, 20292, 26391, 30438, 35188, 41207, 52782, 60876, 79173, 82414, 105564, 123621, 158346, 164828, 247242, 316692, 370863, 494484, 741726, 782933, 1483452, 1565866, 2348799, 3131732, 4697598, 7046397, 9395196, 14092794, 28185588]

約数ペア:

[(1, 28185588), (2, 14092794), (3, 9395196), (4, 7046397), (6, 4697598), (9, 3131732), (12, 2348799), (18, 1565866), (19, 1483452), (36, 782933), (38, 741726), (57, 494484), (76, 370863), (89, 316692), (114, 247242), (171, 164828), (178, 158346), (228, 123621), (267, 105564), (342, 82414), (356, 79173), (463, 60876), (534, 52782), (684, 41207), (801, 35188), (926, 30438), (1068, 26391), (1389, 20292), (1602, 17594), (1691, 16668), (1852, 15219), (2778, 10146), (3204, 8797), (3382, 8334), (4167, 6764), (5073, 5556)]