219530515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^2\times {\mathrm{241}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 279167328

約数和(自身を除く): 59636813

約数列:

[1, 5, 23, 89, 115, 241, 445, 1205, 2047, 5543, 7921, 10235, 21449, 27715, 39605, 107245, 182183, 493327, 910915, 1908961, 2466635, 9544805, 43906103, 219530515]

約数ペア:

[(1, 219530515), (5, 43906103), (23, 9544805), (89, 2466635), (115, 1908961), (241, 910915), (445, 493327), (1205, 182183), (2047, 107245), (5543, 39605), (7921, 27715), (10235, 21449)]