28978572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 82862080

約数和(自身を除く): 53883508

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 67, 76, 84, 114, 133, 134, 201, 228, 266, 268, 271, 399, 402, 469, 532, 542, 798, 804, 813, 938, 1084, 1273, 1407, 1596, 1626, 1876, 1897, 2546, 2814, 3252, 3794, 3819, 5092, 5149, 5628, 5691, 7588, 7638, 8911, 10298, 11382, 15276, 15447, 17822, 18157, 20596, 22764, 26733, 30894, 35644, 36043, 36314, 53466, 54471, 61788, 72086, 72628, 106932, 108129, 108942, 127099, 144172, 216258, 217884, 254198, 344983, 381297, 432516, 508396, 689966, 762594, 1034949, 1379932, 1525188, 2069898, 2414881, 4139796, 4829762, 7244643, 9659524, 14489286, 28978572]

約数ペア:

[(1, 28978572), (2, 14489286), (3, 9659524), (4, 7244643), (6, 4829762), (7, 4139796), (12, 2414881), (14, 2069898), (19, 1525188), (21, 1379932), (28, 1034949), (38, 762594), (42, 689966), (57, 508396), (67, 432516), (76, 381297), (84, 344983), (114, 254198), (133, 217884), (134, 216258), (201, 144172), (228, 127099), (266, 108942), (268, 108129), (271, 106932), (399, 72628), (402, 72086), (469, 61788), (532, 54471), (542, 53466), (798, 36314), (804, 36043), (813, 35644), (938, 30894), (1084, 26733), (1273, 22764), (1407, 20596), (1596, 18157), (1626, 17822), (1876, 15447), (1897, 15276), (2546, 11382), (2814, 10298), (3252, 8911), (3794, 7638), (3819, 7588), (5092, 5691), (5149, 5628)]