289327910

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{220861}}^1$

素因数の和:220999

約数の個数: 16

約数和(自身を含む): 524768112

約数和(自身を除く): 235440202

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 220861, 441722, 1104305, 2208610, 28932791, 57865582, 144663955, 289327910]

約数ペア:

[(1, 289327910), (2, 144663955), (5, 57865582), (10, 28932791), (131, 2208610), (262, 1104305), (655, 441722), (1310, 220861)]