218768778

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{12289}}^1$

素因数の和:12363

約数の個数: 48

約数和(自身を含む): 506151360

約数和(自身を除く): 287382582

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 774, 989, 1978, 2967, 5934, 8901, 12289, 17802, 24578, 36867, 73734, 110601, 221202, 282647, 528427, 565294, 847941, 1056854, 1585281, 1695882, 2543823, 3170562, 4755843, 5087646, 9511686, 12153821, 24307642, 36461463, 72922926, 109384389, 218768778]

約数ペア:

[(1, 218768778), (2, 109384389), (3, 72922926), (6, 36461463), (9, 24307642), (18, 12153821), (23, 9511686), (43, 5087646), (46, 4755843), (69, 3170562), (86, 2543823), (129, 1695882), (138, 1585281), (207, 1056854), (258, 847941), (387, 565294), (414, 528427), (774, 282647), (989, 221202), (1978, 110601), (2967, 73734), (5934, 36867), (8901, 24578), (12289, 17802)]