668868678

素因数分解:

$2^1\times 3^5\times {\mathrm{491}}^1\times {\mathrm{2803}}^1$

素因数の和:3311

約数の個数: 48

約数和(自身を含む): 1506488256

約数和(自身を除く): 837619578

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 491, 982, 1473, 2803, 2946, 4419, 5606, 8409, 8838, 13257, 16818, 25227, 26514, 39771, 50454, 75681, 79542, 119313, 151362, 227043, 238626, 454086, 681129, 1362258, 1376273, 2752546, 4128819, 8257638, 12386457, 24772914, 37159371, 74318742, 111478113, 222956226, 334434339, 668868678]

約数ペア:

[(1, 668868678), (2, 334434339), (3, 222956226), (6, 111478113), (9, 74318742), (18, 37159371), (27, 24772914), (54, 12386457), (81, 8257638), (162, 4128819), (243, 2752546), (486, 1376273), (491, 1362258), (982, 681129), (1473, 454086), (2803, 238626), (2946, 227043), (4419, 151362), (5606, 119313), (8409, 79542), (8838, 75681), (13257, 50454), (16818, 39771), (25227, 26514)]