81716208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{243203}}^1$

素因数の和:243221

約数の個数: 40

約数和(自身を含む): 241258368

約数和(自身を除く): 159542160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 243203, 486406, 729609, 972812, 1459218, 1702421, 1945624, 2918436, 3404842, 3891248, 5107263, 5836872, 6809684, 10214526, 11673744, 13619368, 20429052, 27238736, 40858104, 81716208]

約数ペア:

[(1, 81716208), (2, 40858104), (3, 27238736), (4, 20429052), (6, 13619368), (7, 11673744), (8, 10214526), (12, 6809684), (14, 5836872), (16, 5107263), (21, 3891248), (24, 3404842), (28, 2918436), (42, 1945624), (48, 1702421), (56, 1459218), (84, 972812), (112, 729609), (168, 486406), (336, 243203)]