203470465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 272004480

約数和(自身を除く): 68534015

約数列:

[1, 5, 11, 55, 89, 197, 211, 445, 979, 985, 1055, 2167, 2321, 4895, 10835, 11605, 17533, 18779, 41567, 87665, 93895, 192863, 206569, 207835, 457237, 964315, 1032845, 2286185, 3699463, 18497315, 40694093, 203470465]

約数ペア:

[(1, 203470465), (5, 40694093), (11, 18497315), (55, 3699463), (89, 2286185), (197, 1032845), (211, 964315), (445, 457237), (979, 207835), (985, 206569), (1055, 192863), (2167, 93895), (2321, 87665), (4895, 41567), (10835, 18779), (11605, 17533)]