289355276

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{81371}}^1$

素因数の和:81509

約数の個数: 24

約数和(自身を含む): 583274496

約数和(自身を除く): 293919220

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 81371, 162742, 325484, 569597, 1139194, 2278388, 10334117, 20668234, 41336468, 72338819, 144677638, 289355276]

約数ペア:

[(1, 289355276), (2, 144677638), (4, 72338819), (7, 41336468), (14, 20668234), (28, 10334117), (127, 2278388), (254, 1139194), (508, 569597), (889, 325484), (1778, 162742), (3556, 81371)]