428975521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 507059840

約数和(自身を除く): 78084319

約数列:

[1, 13, 19, 37, 73, 247, 481, 643, 703, 949, 1387, 2701, 8359, 9139, 12217, 18031, 23791, 35113, 46939, 51319, 158821, 309283, 452029, 610207, 667147, 891841, 1736743, 5876377, 11593933, 22577659, 32998117, 428975521]

約数ペア:

[(1, 428975521), (13, 32998117), (19, 22577659), (37, 11593933), (73, 5876377), (247, 1736743), (481, 891841), (643, 667147), (703, 610207), (949, 452029), (1387, 309283), (2701, 158821), (8359, 51319), (9139, 46939), (12217, 35113), (18031, 23791)]