16991224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 33200640

約数和(自身を除く): 16209416

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 523, 524, 1046, 1048, 2092, 4061, 4184, 8122, 16213, 16244, 32426, 32488, 64852, 68513, 129704, 137026, 274052, 548104, 2123903, 4247806, 8495612, 16991224]

約数ペア:

[(1, 16991224), (2, 8495612), (4, 4247806), (8, 2123903), (31, 548104), (62, 274052), (124, 137026), (131, 129704), (248, 68513), (262, 64852), (523, 32488), (524, 32426), (1046, 16244), (1048, 16213), (2092, 8122), (4061, 4184)]