1638204

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 3846528

約数和(自身を除く): 2208324

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 647, 844, 1266, 1294, 1941, 2532, 2588, 3882, 7764, 136517, 273034, 409551, 546068, 819102, 1638204]

約数ペア:

[(1, 1638204), (2, 819102), (3, 546068), (4, 409551), (6, 273034), (12, 136517), (211, 7764), (422, 3882), (633, 2588), (647, 2532), (844, 1941), (1266, 1294)]