3989867

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 4857600

約数和(自身を除く): 867733

約数列:

[1, 7, 19, 131, 133, 229, 917, 1603, 2489, 4351, 17423, 29999, 30457, 209993, 569981, 3989867]

約数ペア:

[(1, 3989867), (7, 569981), (19, 209993), (131, 30457), (133, 29999), (229, 17423), (917, 4351), (1603, 2489)]