216780494

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{292157}}^1$

素因数の和:292219

約数の個数: 16

約数和(自身を含む): 378636768

約数和(自身を除く): 161856274

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 292157, 584314, 2045099, 4090198, 15484321, 30968642, 108390247, 216780494]

約数ペア:

[(1, 216780494), (2, 108390247), (7, 30968642), (14, 15484321), (53, 4090198), (106, 2045099), (371, 584314), (742, 292157)]