61491978

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1499}}^1$

素因数の和:1603

約数の個数: 48

約数和(自身を含む): 138996000

約数和(自身を除く): 77504022

約数列:

[1, 2, 3, 6, 9, 18, 43, 53, 86, 106, 129, 159, 258, 318, 387, 477, 774, 954, 1499, 2279, 2998, 4497, 4558, 6837, 8994, 13491, 13674, 20511, 26982, 41022, 64457, 79447, 128914, 158894, 193371, 238341, 386742, 476682, 580113, 715023, 1160226, 1430046, 3416221, 6832442, 10248663, 20497326, 30745989, 61491978]

約数ペア:

[(1, 61491978), (2, 30745989), (3, 20497326), (6, 10248663), (9, 6832442), (18, 3416221), (43, 1430046), (53, 1160226), (86, 715023), (106, 580113), (129, 476682), (159, 386742), (258, 238341), (318, 193371), (387, 158894), (477, 128914), (774, 79447), (954, 64457), (1499, 41022), (2279, 26982), (2998, 20511), (4497, 13674), (4558, 13491), (6837, 8994)]