216221286

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{2111}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 443824128

約数和(自身を除く): 227602842

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 397, 794, 1191, 2111, 2382, 4222, 6333, 12666, 17071, 34142, 51213, 90773, 102426, 181546, 272319, 544638, 838067, 1676134, 2514201, 5028402, 36036881, 72073762, 108110643, 216221286]

約数ペア:

[(1, 216221286), (2, 108110643), (3, 72073762), (6, 36036881), (43, 5028402), (86, 2514201), (129, 1676134), (258, 838067), (397, 544638), (794, 272319), (1191, 181546), (2111, 102426), (2382, 90773), (4222, 51213), (6333, 34142), (12666, 17071)]