221455848

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{214589}}^1$

素因数の和:214641

約数の個数: 32

約数和(自身を含む): 566517600

約数和(自身を除く): 345061752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 214589, 429178, 643767, 858356, 1287534, 1716712, 2575068, 5150136, 9227327, 18454654, 27681981, 36909308, 55363962, 73818616, 110727924, 221455848]

約数ペア:

[(1, 221455848), (2, 110727924), (3, 73818616), (4, 55363962), (6, 36909308), (8, 27681981), (12, 18454654), (24, 9227327), (43, 5150136), (86, 2575068), (129, 1716712), (172, 1287534), (258, 858356), (344, 643767), (516, 429178), (1032, 214589)]