28718316

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 80930304

約数和(自身を除く): 52211988

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 94, 99, 132, 141, 188, 198, 282, 396, 423, 517, 564, 846, 1034, 1543, 1551, 1692, 2068, 3086, 3102, 4629, 4653, 6172, 6204, 9258, 9306, 13887, 16973, 18516, 18612, 27774, 33946, 50919, 55548, 67892, 72521, 101838, 145042, 152757, 203676, 217563, 290084, 305514, 435126, 611028, 652689, 797731, 870252, 1305378, 1595462, 2393193, 2610756, 3190924, 4786386, 7179579, 9572772, 14359158, 28718316]

約数ペア:

[(1, 28718316), (2, 14359158), (3, 9572772), (4, 7179579), (6, 4786386), (9, 3190924), (11, 2610756), (12, 2393193), (18, 1595462), (22, 1305378), (33, 870252), (36, 797731), (44, 652689), (47, 611028), (66, 435126), (94, 305514), (99, 290084), (132, 217563), (141, 203676), (188, 152757), (198, 145042), (282, 101838), (396, 72521), (423, 67892), (517, 55548), (564, 50919), (846, 33946), (1034, 27774), (1543, 18612), (1551, 18516), (1692, 16973), (2068, 13887), (3086, 9306), (3102, 9258), (4629, 6204), (4653, 6172)]