28887516

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 120

約数和(自身を含む): 88467456

約数和(自身を除く): 59579940

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 81, 84, 94, 108, 126, 141, 162, 188, 189, 252, 271, 282, 324, 329, 378, 423, 542, 564, 567, 658, 756, 813, 846, 987, 1084, 1134, 1269, 1316, 1626, 1692, 1897, 1974, 2268, 2439, 2538, 2961, 3252, 3794, 3807, 3948, 4878, 5076, 5691, 5922, 7317, 7588, 7614, 8883, 9756, 11382, 11844, 12737, 14634, 15228, 17073, 17766, 21951, 22764, 25474, 26649, 29268, 34146, 35532, 38211, 43902, 50948, 51219, 53298, 68292, 76422, 87804, 89159, 102438, 106596, 114633, 152844, 153657, 178318, 204876, 229266, 267477, 307314, 343899, 356636, 458532, 534954, 614628, 687798, 802431, 1031697, 1069908, 1375596, 1604862, 2063394, 2407293, 3209724, 4126788, 4814586, 7221879, 9629172, 14443758, 28887516]

約数ペア:

[(1, 28887516), (2, 14443758), (3, 9629172), (4, 7221879), (6, 4814586), (7, 4126788), (9, 3209724), (12, 2407293), (14, 2063394), (18, 1604862), (21, 1375596), (27, 1069908), (28, 1031697), (36, 802431), (42, 687798), (47, 614628), (54, 534954), (63, 458532), (81, 356636), (84, 343899), (94, 307314), (108, 267477), (126, 229266), (141, 204876), (162, 178318), (188, 153657), (189, 152844), (252, 114633), (271, 106596), (282, 102438), (324, 89159), (329, 87804), (378, 76422), (423, 68292), (542, 53298), (564, 51219), (567, 50948), (658, 43902), (756, 38211), (813, 35532), (846, 34146), (987, 29268), (1084, 26649), (1134, 25474), (1269, 22764), (1316, 21951), (1626, 17766), (1692, 17073), (1897, 15228), (1974, 14634), (2268, 12737), (2439, 11844), (2538, 11382), (2961, 9756), (3252, 8883), (3794, 7614), (3807, 7588), (3948, 7317), (4878, 5922), (5076, 5691)]