81730616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21599}}^1$

素因数の和:21659

約数の個数: 32

約数和(自身を含む): 171072000

約数和(自身を除く): 89341384

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 21599, 43198, 86396, 172792, 237589, 475178, 928757, 950356, 1857514, 1900712, 3715028, 7430056, 10216327, 20432654, 40865308, 81730616]

約数ペア:

[(1, 81730616), (2, 40865308), (4, 20432654), (8, 10216327), (11, 7430056), (22, 3715028), (43, 1900712), (44, 1857514), (86, 950356), (88, 928757), (172, 475178), (344, 237589), (473, 172792), (946, 86396), (1892, 43198), (3784, 21599)]