2191890655

素因数分解:

$5^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1\times {\mathrm{4643}}^1$

素因数の和:5270

約数の個数: 16

約数和(自身を含む): 2648194560

約数和(自身を除く): 456303905

約数列:

[1, 5, 263, 359, 1315, 1795, 4643, 23215, 94417, 472085, 1221109, 1666837, 6105545, 8334185, 438378131, 2191890655]

約数ペア:

[(1, 2191890655), (5, 438378131), (263, 8334185), (359, 6105545), (1315, 1666837), (1795, 1221109), (4643, 472085), (23215, 94417)]