390690719

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1109}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 441637920

約数和(自身を除く): 50947201

約数列:

[1, 17, 23, 53, 289, 391, 901, 1109, 1219, 6647, 15317, 18853, 20723, 25507, 58777, 320501, 352291, 433619, 999209, 1351871, 7371523, 16986553, 22981807, 390690719]

約数ペア:

[(1, 390690719), (17, 22981807), (23, 16986553), (53, 7371523), (289, 1351871), (391, 999209), (901, 433619), (1109, 352291), (1219, 320501), (6647, 58777), (15317, 25507), (18853, 20723)]