139436272

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 277683120

約数和(自身を除く): 138246848

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 389, 521, 688, 778, 1042, 1556, 2084, 3112, 4168, 6224, 8336, 16727, 22403, 33454, 44806, 66908, 89612, 133816, 179224, 202669, 267632, 358448, 405338, 810676, 1621352, 3242704, 8714767, 17429534, 34859068, 69718136, 139436272]

約数ペア:

[(1, 139436272), (2, 69718136), (4, 34859068), (8, 17429534), (16, 8714767), (43, 3242704), (86, 1621352), (172, 810676), (344, 405338), (389, 358448), (521, 267632), (688, 202669), (778, 179224), (1042, 133816), (1556, 89612), (2084, 66908), (3112, 44806), (4168, 33454), (6224, 22403), (8336, 16727)]