128595978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{340201}}^1$

素因数の和:340219

約数の個数: 32

約数和(自身を含む): 326593920

約数和(自身を除く): 197997942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 340201, 680402, 1020603, 2041206, 2381407, 3061809, 4762814, 6123618, 7144221, 9185427, 14288442, 18370854, 21432663, 42865326, 64297989, 128595978]

約数ペア:

[(1, 128595978), (2, 64297989), (3, 42865326), (6, 21432663), (7, 18370854), (9, 14288442), (14, 9185427), (18, 7144221), (21, 6123618), (27, 4762814), (42, 3061809), (54, 2381407), (63, 2041206), (126, 1020603), (189, 680402), (378, 340201)]