212906929

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{1109}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 235923840

約数和(自身を除く): 23016911

約数列:

[1, 17, 23, 391, 491, 1109, 8347, 11293, 18853, 25507, 191981, 433619, 544519, 9256823, 12523937, 212906929]

約数ペア:

[(1, 212906929), (17, 12523937), (23, 9256823), (391, 544519), (491, 433619), (1109, 191981), (8347, 25507), (11293, 18853)]