28281572

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:920

約数の個数: 36

約数和(自身を含む): 55234368

約数和(自身を除く): 26952796

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 242, 284, 484, 781, 823, 1562, 1646, 3124, 3292, 8591, 9053, 17182, 18106, 34364, 36212, 58433, 99583, 116866, 199166, 233732, 398332, 642763, 1285526, 2571052, 7070393, 14140786, 28281572]

約数ペア:

[(1, 28281572), (2, 14140786), (4, 7070393), (11, 2571052), (22, 1285526), (44, 642763), (71, 398332), (121, 233732), (142, 199166), (242, 116866), (284, 99583), (484, 58433), (781, 36212), (823, 34364), (1562, 18106), (1646, 17182), (3124, 9053), (3292, 8591)]