4142985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 8792064

約数和(自身を除く): 4649079

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 211, 231, 255, 357, 385, 561, 595, 633, 935, 1055, 1155, 1309, 1477, 1785, 2321, 2805, 3165, 3587, 3927, 4431, 6545, 6963, 7385, 10761, 11605, 16247, 17935, 19635, 22155, 25109, 34815, 39457, 48741, 53805, 75327, 81235, 118371, 125545, 197285, 243705, 276199, 376635, 591855, 828597, 1380995, 4142985]

約数ペア:

[(1, 4142985), (3, 1380995), (5, 828597), (7, 591855), (11, 376635), (15, 276199), (17, 243705), (21, 197285), (33, 125545), (35, 118371), (51, 81235), (55, 75327), (77, 53805), (85, 48741), (105, 39457), (119, 34815), (165, 25109), (187, 22155), (211, 19635), (231, 17935), (255, 16247), (357, 11605), (385, 10761), (561, 7385), (595, 6963), (633, 6545), (935, 4431), (1055, 3927), (1155, 3587), (1309, 3165), (1477, 2805), (1785, 2321)]