215818596

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{859}}^1\times {\mathrm{997}}^1$

素因数の和:1873

約数の個数: 72

約数和(自身を含む): 624827840

約数和(自身を除く): 409009244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 859, 997, 1718, 1994, 2577, 2991, 3436, 3988, 5154, 5982, 6013, 6979, 7731, 8973, 10308, 11964, 12026, 13958, 15462, 17946, 18039, 20937, 24052, 27916, 30924, 35892, 36078, 41874, 54117, 62811, 72156, 83748, 108234, 125622, 216468, 251244, 856423, 1712846, 2569269, 3425692, 5138538, 5994961, 7707807, 10277076, 11989922, 15415614, 17984883, 23979844, 30831228, 35969766, 53954649, 71939532, 107909298, 215818596]

約数ペア:

[(1, 215818596), (2, 107909298), (3, 71939532), (4, 53954649), (6, 35969766), (7, 30831228), (9, 23979844), (12, 17984883), (14, 15415614), (18, 11989922), (21, 10277076), (28, 7707807), (36, 5994961), (42, 5138538), (63, 3425692), (84, 2569269), (126, 1712846), (252, 856423), (859, 251244), (997, 216468), (1718, 125622), (1994, 108234), (2577, 83748), (2991, 72156), (3436, 62811), (3988, 54117), (5154, 41874), (5982, 36078), (6013, 35892), (6979, 30924), (7731, 27916), (8973, 24052), (10308, 20937), (11964, 18039), (12026, 17946), (13958, 15462)]