291248990

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{108271}}^1$

素因数の和:108547

約数の個数: 16

約数和(自身を含む): 526201920

約数和(自身を除く): 234952930

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 108271, 216542, 541355, 1082710, 29124899, 58249798, 145624495, 291248990]

約数ペア:

[(1, 291248990), (2, 145624495), (5, 58249798), (10, 29124899), (269, 1082710), (538, 541355), (1345, 216542), (2690, 108271)]