1687366928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{172603}}^1$

素因数の和:172671

約数の個数: 40

約数和(自身を含む): 3595686528

約数和(自身を除く): 1908319600

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 172603, 345206, 690412, 1380824, 2243839, 2761648, 4487678, 8112341, 8975356, 16224682, 17950712, 32449364, 35901424, 64898728, 105460433, 129797456, 210920866, 421841732, 843683464, 1687366928]

約数ペア:

[(1, 1687366928), (2, 843683464), (4, 421841732), (8, 210920866), (13, 129797456), (16, 105460433), (26, 64898728), (47, 35901424), (52, 32449364), (94, 17950712), (104, 16224682), (188, 8975356), (208, 8112341), (376, 4487678), (611, 2761648), (752, 2243839), (1222, 1380824), (2444, 690412), (4888, 345206), (9776, 172603)]