16891568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 34471008

約数和(自身を除く): 17579440

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 197, 233, 368, 394, 466, 788, 932, 1576, 1864, 3152, 3728, 4531, 5359, 9062, 10718, 18124, 21436, 36248, 42872, 45901, 72496, 85744, 91802, 183604, 367208, 734416, 1055723, 2111446, 4222892, 8445784, 16891568]

約数ペア:

[(1, 16891568), (2, 8445784), (4, 4222892), (8, 2111446), (16, 1055723), (23, 734416), (46, 367208), (92, 183604), (184, 91802), (197, 85744), (233, 72496), (368, 45901), (394, 42872), (466, 36248), (788, 21436), (932, 18124), (1576, 10718), (1864, 9062), (3152, 5359), (3728, 4531)]