28996086

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 69691392

約数和(自身を除く): 40695306

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 47, 74, 94, 111, 141, 222, 259, 282, 329, 397, 518, 658, 777, 794, 987, 1191, 1554, 1739, 1974, 2382, 2779, 3478, 5217, 5558, 8337, 10434, 12173, 14689, 16674, 18659, 24346, 29378, 36519, 37318, 44067, 55977, 73038, 88134, 102823, 111954, 130613, 205646, 261226, 308469, 391839, 616938, 690383, 783678, 1380766, 2071149, 4142298, 4832681, 9665362, 14498043, 28996086]

約数ペア:

[(1, 28996086), (2, 14498043), (3, 9665362), (6, 4832681), (7, 4142298), (14, 2071149), (21, 1380766), (37, 783678), (42, 690383), (47, 616938), (74, 391839), (94, 308469), (111, 261226), (141, 205646), (222, 130613), (259, 111954), (282, 102823), (329, 88134), (397, 73038), (518, 55977), (658, 44067), (777, 37318), (794, 36519), (987, 29378), (1191, 24346), (1554, 18659), (1739, 16674), (1974, 14689), (2382, 12173), (2779, 10434), (3478, 8337), (5217, 5558)]